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The War of 1812 was a two and a half-year military conflict between the United States of America and the United Kingdom of Great Britain and Ireland, its North American colonies and its Indian allies. The war resolved many issues which remained from the American War of Independence but involved no boundary changes. The United States declared war in 1812 for several reasons, including trade restrictions brought about by the British war with France, the impressment of American merchant sailors into the Royal Navy, British support of American Indian tribes against American expansion, outrage over insults to national honour after humiliations on the high seas and possible American interest in annexing British North American territory (part of modern-day Canada), which had been denied to them in the settlement ending the American Revolutionary War.

The war was fought in three principal theatres. Firstly, at sea, warships and privateers of each side attacked the other's merchant ships, while the British blockaded the Atlantic coast of the United States and mounted large raids in the later stages of the war. Secondly, land and naval battles were fought on the American–Canadian frontier, which ran along the Great Lakes, the Saint Lawrence River and the northern end of Lake Champlain. Thirdly, the American South and Gulf Coast also saw big land battles, in which the American forces defeated Britain's Indian allies and a British invasion force at New Orleans. At the end of the war both sides signed the Treaty of Ghent and all parties returned occupied land to its pre-war owner.

With the majority of its army and naval forces tied down in Europe fighting the Napoleonic Wars until 1814, the British at first used a defensive strategy in the provinces of Upper and Lower Canada. At the Battle of Lake Erie the Americans gained control of the lake in 1813, seized parts of western Ontario, ended the prospect of an Indian confederacy and an independent Indian state in the Midwest under British sponsorship. In September 1814, after the Battle of Hampden a British force invaded and occupied eastern Maine. This territory, along with parts of Michigan and Wisconsin, were held by the British and their Indian allies for the duration of the war. In the south-west, General Andrew Jackson destroyed the military strength of the Creek nation at the Battle of Horseshoe Bend in 1814. With the end of the War of the Sixth Coalition on April 6, following the defeat of Napoleon in 1814, the British adopted a more aggressive strategy, sending larger invasion armies. The British victory at the Battle of Bladensburg in August 1814 allowed them to capture and burn Washington, D.C, which had been abandoned by the military and government officials but they were repulsed at the Battle of Baltimore and failed to take Baltimore. American victories in September 1814 at the Battle of Plattsburgh repulsed the British invasions of New York, which prompted agreement on the previously rejected terms of status quo ante bellum and the British suffered a major defeat at New Orleans in January 1815.

In the United States, late victories over invading British armies at the battles of Plattsburg, Baltimore (inspiring their national anthem, "The Star-Spangled Banner") and New Orleans produced a sense of euphoria over a "second war of independence" against Britain. The war ended on a high note for Americans, bringing an "Era of Good Feelings" in which partisan animosity nearly vanished in the face of strengthened U.S. nationalism. Spain played a small role; some Spanish forces fought alongside the British during the Occupation of Pensacola. The U.S. took permanent ownership of Spain's Mobile District.

In Upper and Lower Canada, British and Provincial militia victories over invading American armies, became iconic and promoted the development of a distinct Canadian identity, which included strong loyalty to Britain. Today, particularly in loyalist-founded Ontario, memory of the war retains its significance, because the defeat of the invasions ensured that the Canadas would remain part of the British Empire, rather than be annexed by the United States. In Canada, numerous ceremonies took place in 2012 to commemorate the war, offer historical lessons and celebrate 200 years of peace across the border. The war is scarcely remembered in Britain, where attention focuses on the closer threat of Napoleon.

Origins
Historians have long debated the relative weight of the multiple reasons underlying the United States declaration of war.

Honor and the second war of independence
As Risjord (1961) notes, a powerful motivation for the Americans was the desire to uphold "national honor" in the face of what they considered to be British insults such as the Chesapeake affair. Brands says, "The other war hawks spoke of the struggle with Britain as a second war of independence; [Andrew] Jackson, who still bore scars from the first war of independence held that view with special conviction. The approaching conflict was about violations of American rights, but was it also about vindication of American identity". People at the time and historians since often called it America's "Second War of Independence."

Trade with France
In 1807, Britain introduced a series of trade restrictions via a series of Orders in Council to impede American trade with France, with which Britain was at war. The United States contested these restrictions as illegal under international law. Also, historian Reginald Horsman states, "a large section of influential British opinion, both in the government and in the country, thought that America presented a threat to British maritime supremacy".

The American merchant marine had come close to doubling between 1802 and 1810, making it by far the largest neutral fleet. Britain was the largest trading partner, receiving 80% of U.S. cotton and 50% of other U.S. exports. The British public and press were resentful of the growing mercantile and commercial competition. The United States' view was that Britain's restrictions violated its right to trade with others.

Impressment
During the Napoleonic Wars, the Royal Navy expanded to 175 ships of the line and 600 ships overall, requiring 140,000 sailors to man. While the Royal Navy could man its ships with volunteers in peacetime, it competed in wartime with merchant shipping and privateers for a small pool of experienced sailors and turned to impressment when it could not operate ships with volunteers alone. Britain did not recognize the right of a British subject to relinquish his status as a British subject, emigrate and transfer his national allegiance as a naturalized citizen to any other country. Thus while the United States recognized British-born sailors on American ships as Americans, Britain did not. It was estimated that there were 11,000 naturalized sailors on United States ships in 1805. Secretary of the Treasury Albert Gallatin stated that 9,000 were born in Britain. The Royal Navy went after them by intercepting and searching U.S. merchant ships for deserters. Impressment actions such as the Leander Affair and the Chesapeake–Leopard Affair outraged Americans, because they infringed on national sovereignty and denied America's ability to naturalize foreigners. Moreover, a great number of British sailors serving as naturalized Americans on U.S. ships were Irish. An investigation by Captain Isaac Chauncey in 1808 found that 58% of the sailors based in New York City were either naturalized citizens or recent immigrants, the majority of foreign sailors (134 of 150) being from Britain. Moreover, eighty of the 134 British sailors were Irish.

The United States believed that British deserters had a right to become United States citizens. Britain did not recognize naturalized United States citizenship, so in addition to recovering deserters, it considered United States citizens born British liable for impressment. Aggravating the situation was the widespread use of forged identity or protection papers by sailors. This made it difficult for the Royal Navy to distinguish Americans from non-Americans and led it to impress some Americans who had never been British. (Some gained freedom on appeal.) American anger at impressment grew when British frigates were stationed just outside U.S. harbours in view of U.S. shores and searched ships for contraband and impressed men while in U.S. territorial waters. "Free trade and sailors' rights" was a rallying cry for the United States throughout the conflict.

British support for American Indian raids
The Northwest Territory, comprising the modern states of Ohio, Indiana, Illinois, Michigan, and Wisconsin, was the battleground for conflict between the Indian Nations and the United States. The British Empire had ceded the area to the United States in the Treaty of Paris in 1783, both sides ignoring the fact that the land was already inhabited by various Indian nations. These included the Miami, Winnebago, Shawnee, Fox, Sauk, Kickapoo, Delaware and Wyandot. Some warriors, who had left their nations of origin, followed Tenskwatawa, the Shawnee Prophet and the brother of Tecumseh. Tenskwatawa had a vision of purifying his society by expelling the "children of the Evil Spirit": the American settlers. Tenskwatawa and Tecumseh formed a confederation of numerous tribes to block American expansion. The British saw the Indian nations as valuable allies and a buffer to its Canadian colonies and provided arms. Attacks on American settlers in the Northwest further aggravated tensions between Britain and the United States. The confederation's raids and existence hindered American expansion into rich farmlands in the Northwest Territory. Pratt writes:


 * "There is ample proof that the British authorities did all in their power to hold or win the allegiance of the Indians of the Northwest with the expectation of using them as allies in the event of war. Indian allegiance could be held only by gifts, and to an Indian no gift was as acceptable as a lethal weapon. Guns and ammunition, tomahawks and scalping knives were dealt out with some liberality by British agents".

Raiding grew more common in 1810 and 1811; Westerners in Congress found the raids intolerable and wanted them permanently ended.

However, according to the U.S Army Center of Military History, the "land-hungry frontiersmen", with "no doubt that their troubles with the Indians were the result of British intrigue", exacerbated the problem by "[ circulating stories] after every Indian raid of British Army muskets and equipment being found on the field". Thus, "the westerners were convinced that their problems could best be solved by forcing the British out of Canada".

The British had the long-standing goal of creating a large "neutral" Indian state that would cover much of Ohio, Indiana, and Michigan. They made the demand as late as the fall of 1814 at the peace conference, but lost control of western Ontario in 1813 at key battles on and around Lake Erie. These battles destroyed the Indian confederacy which had been the main ally of the British and cut off communication with the proposed neutral zone, which remained largely under British and Indian control. At American insistence the British dropped the demands.

American expansionism
American expansion into the Northwest Territory was being obstructed by indigenous leaders like Tecumseh, who were supplied and encouraged by the British. Americans on the western frontier demanded that interference be stopped. There is dispute, however, over whether or not the American desire to annex Canada brought on the war. Several historians believe that the capture of Canada was intended only as a means to secure a bargaining chip, which would then be used to force Britain to back down on the maritime issues. It would also cut off food supplies for Britain's West Indian colonies, and temporarily prevent the British from continuing to arm the Indians. However, a significant minority of historians believes that a desire to annex Canada was a cause of the war. This view was more prevalent before 1940, but continues to be held by a number of historians. . The U.S. Army Center for Military History compares War Hawks' desire to annex the Canadas to the enthusiasm for the annexation of Spanish Florida by inhabitants of the American South. Congressman Richard Mentor Johnson told Congress that the constant Indian atrocities along the Wabash River in Indiana were enabled by supplies from Canada and were proof that, "the war has already commenced....I shall never die contended until I see England's expulsion from North America and her territories incorporated into the United States."

Upper Canada (modern southern Ontario) had mostly been settled by Revolution-era exiles from the United States (United Empire Loyalists) or postwar American immigrants. The Loyalists were hostile to union with the United States, while the immigrant settlers were generally uninterested in politics and remained neutral or supported the British during the war. The Canadian colonies were thinly populated and only lightly defended by the British Army. Americans then believed that many men in Upper Canada would rise up and greet an American invading army as liberators. That did not happen. One reason American forces retreated after one successful battle inside Canada was that they could not obtain supplies from the locals. But the Americans thought that the possibility of local support suggested an easy conquest, as former President Thomas Jefferson believed: "The acquisition of Canada this year, as far as the neighborhood of Quebec, will be a mere matter of marching, and will give us the experience for the attack on Halifax, the next and final expulsion of England from the American continent".

Annexation was supported by American businessmen who wanted to gain control of Great Lakes trade.

Stagg has examined at the fate of the expansionist cause proposed by Hacker and Pratt in the 1920s:
 * this 'expansionist' interpretation of the war can still be found in textbooks currently in use in the nation's high schools. It has also compounded popular confusion about the war by perpetuating an arid dispute over what should be deemed to be its 'real' or most important causes. Were these causes international or domestic in origin? That debate became both interminable and insoluble. Consequently, a new generation of historians by the 1960s...repudiated the views of Hacker and Pratt.

U.S. political conflict
While the British government was largely oblivious to the deteriorating North-American situation because of its involvement in a continent-wide European War, the U.S. was in a period of significant political conflict between the Federalist Party (based mainly in the Northeast), which favoured a strong central government and closer ties to Britain, and the Democratic-Republican Party (with its greatest power base in the South and West), which favoured a weak central government, preservation of slavery, expansion into Indian land, and a stronger break with Britain. By 1812, the Federalist Party had weakened considerably, and the Democratic-Republicans, with James Madison completing his first term of office and control of Congress, was in a very strong position to pursue its more aggressive agenda against Britain and attempt to further weaken its Federalist rivals. Throughout the war, support for the U.S. cause would be weak (or sometimes non-existent) in Federalist areas of the Northeast, though after the war, the self-destruction of the Federalists at the Hartford Convention led to broader, retroactive support from all parts of the country.

Declaration of war


On June 1, 1812, President James Madison sent a message to Congress recounting American grievances against Great Britain, though not specifically calling for a declaration of war. After Madison's message, the House of Representatives deliberated for four days behind closed doors before voting 79 to 49 (61% in favor) the first declaration of war, and the Senate agreed by 19 to 13 (59% in favor). The conflict began formally on June 18, 1812, when Madison signed the measure into law and proclaimed it the next day. This was the first time that the United States had declared war on another nation, and the Congressional vote would prove to be the closest vote to formally declare war in American history. (The Authorization for Use of Military Force Against Iraq Resolution of 1991, while not a formal declaration of war, was a closer vote.) None of the 39 Federalists in Congress voted in favor of the war; critics of war subsequently referred to it as "Mr. Madison's War".

Earlier in London on May 11, an assassin had killed Prime Minister Spencer Perceval, which resulted in Lord Liverpool coming to power. Liverpool wanted a more practical relationship with the United States. On June 23, he issued a repeal of the Orders in Council, but the United States was unaware of this, as it took three weeks for the news to cross the Atlantic. On June 28, 1812, HMS Colibri was despatched from Halifax under a flag of truce to New York. On July 9, she anchored off Sandy Hook, and three days later sailed on her return with a copy of the declaration of war; the British ambassador, Mr. Foster; and consul, Colonel Barclay. She arrived in Halifax, Nova Scotia eight days later. The news of the declaration took even longer to reach London. In response to the U.S. declaration of war, Isaac Brock issued a proclamation alerting the citizenry in Upper Canada of the state of war and urging all military personnel "to be vigilant in the discharge of their duty" to prevent communication with the enemy and to arrest anyone suspected of helping the Americans.

Course of the war
Although the outbreak of the war had been preceded by years of angry diplomatic dispute, neither side was ready for war when it came. Britain was heavily engaged in the Napoleonic Wars, most of the British Army was deployed in the Peninsular War (in Portugal and Spain), and the Royal Navy was compelled to blockade most of the coast of Europe. The number of British regular troops present in Canada in July 1812 was officially stated to be 6,034, supported by Canadian militia. Throughout the war, the British Secretary of State for War and the Colonies was the Earl of Bathurst. For the first two years of the war, he could spare few troops to reinforce North America and urged the commander-in-chief in North America (Lieutenant General Sir George Prevost) to maintain a defensive strategy. The naturally cautious Prevost followed these instructions, concentrating on defending Lower Canada at the expense of Upper Canada (which was more vulnerable to American attacks) and allowing few offensive actions.

The United States was not prepared to prosecute a war, for Madison had assumed that the state militias would easily seize Canada and that negotiations would follow. In 1812, the regular army consisted of fewer than 12,000 men. Congress authorized the expansion of the army to 35,000 men, but the service was voluntary and unpopular; it offered poor pay, and there were few trained and experienced officers, at least initially. The militia objected to serving outside their home states, were not open to discipline, and performed poorly against British forces when outside their home states. American prosecution of the war suffered from its unpopularity, especially in New England, where anti-war speakers were vocal. "Two of the Massachusetts members [of Congress], Seaver and Widgery, were publicly insulted and hissed on Change in Boston; while another, Charles Turner, member for the Plymouth district, and Chief-Justice of the Court of Sessions for that county, was seized by a crowd on the evening of August 3, [1812] and kicked through the town". The United States had great difficulty financing its war. It had disbanded its national bank, and private bankers in the Northeast were opposed to the war. The failure of New England to provide militia units or financial support was a serious blow. Threats of secession by New England states were loud, as evidenced by the Hartford Convention. Britain exploited these divisions, blockading only southern ports for much of the war and encouraging smuggling.

On July 12, 1812, General William Hull led an invading American force of about 1,000 untrained, poorly equipped militia across the Detroit River and occupied the Canadian town of Sandwich (now a neighbourhood of Windsor, Ontario). By August, Hull and his troops (numbering 2,500 with the addition of 500 Canadians) retreated to Detroit, where they surrendered to a significantly smaller force of British regulars, Canadian militia and Native Americans, led by British Major General Isaac Brock and Shawnee leader Tecumseh. The surrender not only cost the United States the village of Detroit, but control over most of the Michigan Territory. Several months later, the U.S. launched a second invasion of Canada, this time at the Niagara peninsula. On October 13, United States forces were again defeated at the Battle of Queenston Heights, where General Brock was killed.

Military and civilian leadership remained a critical American weakness until 1814. The early disasters brought about chiefly by American unpreparedness and lack of leadership drove United States Secretary of War William Eustis from office. His successor, John Armstrong, Jr., attempted a coordinated strategy late in 1813 (with 10,000 men) aimed at the capture of Montreal, but he was thwarted by logistical difficulties, uncooperative and quarrelsome commanders and ill-trained troops. After losing several battles to inferior forces, the Americans retreated in disarray in October 1813.

A decisive use of naval power came on the Great Lakes and depended on a contest of building ships. The U.S. started a rapidly expanded program of building warships at Sackets Harbor on Lake Ontario, where 3,000 men were recruited, many from New York City, to build 11 warships early in the war. In 1813, the Americans won control of Lake Erie in the Battle of Lake Erie and cut off British and Native American forces in the west from their supply base; they were decisively defeated by General William Henry Harrison's forces on their retreat towards Niagara at the Battle of the Thames in October 1813. Tecumseh, the leader of the tribal confederation, was killed and his Indian coalition disintegrated. While some natives continued to fight alongside British troops, they subsequently did so only as individual tribes or groups of warriors, and where they were directly supplied and armed by British agents. The Americans controlled western Ontario, and permanently ended the threat of Indian raids supplied by the British in Canada into the American Midwest, thus achieving a basic war goal. Control of Lake Ontario changed hands several times, with both sides unable and unwilling to take advantage of temporary superiority.

At sea, the powerful Royal Navy blockaded much of the coastline, though it was allowing substantial exports from New England, which traded with Canada in defiance of American laws. The blockade devastated American agricultural exports, but it helped stimulate local factories that replaced goods previously imported. The American strategy of using small gunboats to defend ports was a fiasco, as the British raided the coast at will. The most famous episode was a series of British raids on the shores of Chesapeake Bay, including an attack on Washington that resulted in the British burning of the White House, the Capitol, the Navy Yard, and other public buildings, in the "Burning of Washington". The British power at sea was enough to allow the Royal Navy to levy "contributions" on bayside towns in return for not burning them to the ground. The Americans were more successful in ship-to-ship actions. They sent out several hundred privateers to attack British merchant ships; in the first four months of war they captured 219 British merchant ships. British commercial interests were damaged, especially in the West Indies.

After Napoleon abdicated on April 6, 1814, the British could send veteran armies to the United States, but by then the Americans had learned how to mobilize and fight. British General Prevost launched a major invasion of New York State with these veteran soldiers, but the American fleet under Thomas Macdonough gained control of Lake Champlain and the British lost the Battle of Plattsburgh in September 1814. Prevost, blamed for the defeat, sought a court-martial to clear his name, but he died in London awaiting it. The British then launched a successful attack on Chesapeake Bay, capturing and burning Washington, looting Alexandria, and unsuccessfully attacking Baltimore.The embarrassing Burning of Washington led to Armstrong's dismissal as U.S. Secretary of War. A British invasion of Louisiana (unknowingly launched after the Treaty of Ghent was negotiated to end the war) was defeated with very heavy British losses by General Andrew Jackson at the Battle of New Orleans in January 1815. The victory made Jackson a national hero, restored the American sense of honour, and ruined the Federalist party's efforts to condemn the war as a failure. With the ratification of the peace treaty in February 1815, the war ended before the U.S. new Secretary of War James Monroe could put his new offensive strategy into effect, and before the British could launch renewed attacks.

Once Britain and The Sixth Coalition defeated Napoleon in 1814, France and Britain became allies. Britain ended the trade restrictions and the impressment of American sailors, thus removing two more causes of the war. After two years of warfare, the major causes of the war had disappeared. Neither side had a reason to continue or a chance of gaining a decisive success that would compel their opponents to cede territory or advantageous peace terms. As a result of this stalemate, the two countries signed the Treaty of Ghent on December 24, 1814. News of the peace treaty took two months to reach the U.S., during which fighting continued. The war fostered a spirit of national unity and an "Era of Good Feelings" in the U.S., as well as in Canada. It opened a long era of peaceful relations between the United States and the British Empire.

Theatres of war
The war was conducted in three theatres:
 * 1) At sea, principally the Atlantic Ocean and the east coast of North America
 * 2) The Great Lakes and the Canadian frontier
 * 3) The Southern states and southwestern territories

Single-ship actions
In 1812, Britain's Royal Navy was the world's largest, with over 600 cruisers in commission and some smaller vessels. Although most of these were involved in blockading the French navy and protecting British trade against (usually French) privateers, the Royal Navy still had 85 vessels in American waters, counting all British Navy vessels in North American and the Caribbean waters. But, the Royal Navy's North American squadron based in Halifax, Nova Scotia, which bore the brunt of the war, numbered one small ship of the line, seven frigates, nine smaller sloops and brigs along with five schooners. By contrast, the United States Navy comprised 8 frigates, 14 smaller sloops and brigs, and no ships of the line. The U.S. had embarked on a major shipbuilding program before the war at Sackets Harbor, New York and continued to produce new ships. Three of the existing American frigates were exceptionally large and powerful for their class, larger than any British frigate in North America. Whereas the standard British frigate of the time was rated as a 38 gun ship, usually carrying up to 50 guns, with its main battery consisting of 18-pounder guns; the USS Constitution, President, and United States, in comparison, were rated as 44-gun ships, carrying 56-60 guns with a main battery of 24-pounders.

The British strategy was to protect their own merchant shipping to and from Halifax, Nova Scotia, and the West Indies, and to enforce a blockade of major American ports to restrict American trade. Because of their numerical inferiority, the American strategy was to cause disruption through hit-and-run tactics, such as the capture of prizes and engaging Royal Navy vessels only under favourable circumstances. Days after the formal declaration of war, however, it put out two small squadrons, including the frigate President and the sloop Hornet under Commodore John Rodgers, and the frigates United States and Congress, with the brig Argus under Captain Stephen Decatur. These were initially concentrated as one unit under Rodgers, who intended to force the Royal Navy to concentrate its own ships to prevent isolated units being captured by his powerful force.

Large numbers of American merchant ships were returning to the United States with the outbreak of war, and if the Royal Navy was concentrated, it could not watch all the ports on the American seaboard. Rodgers' strategy worked, in that the Royal Navy concentrated most of its frigates off New York Harbor under Captain Philip Broke, allowing many American ships to reach home. But, Rodgers' own cruise captured only five small merchant ships, and the Americans never subsequently concentrated more than two or three ships together as a unit.

Meanwhile, the Constitution, commanded by Captain Isaac Hull, sailed from Chesapeake Bay on July 12. On July 17, Broke's British squadron gave chase off New York, but the Constitution evaded her pursuers after two days. After briefly calling at Boston to replenish water, on August 19, the Constitution engaged the British frigate HMS Guerriere. After a 35-minute battle, Guerriere had been dis-masted and captured and was later burned. The Constitution earned the nickname "Old Ironsides" following this battle as many of the British cannonballs were seen to bounce off her hull. Hull returned to Boston with news of this significant victory. On October 25, the United States, commanded by Captain Decatur, captured the British frigate HMS Macedonian, which he then carried back to port. At the close of the month, the Constitution sailed south, now under the command of Captain William Bainbridge. On December 29, off Bahia, Brazil, she met the British frigate HMS Java. After a battle lasting three hours, Java struck her colours and was burned after being judged unsalvageable. The Constitution, however, was relatively undamaged in the battle.

The successes gained by the three big American frigates forced Britain to construct five 40-gun, 24-pounder heavy frigates and two "spar-decked" frigates (the 60-gun HMS Leander and HMS Newcastle) and to razee three old 74-gun ships of the line to convert them to heavy frigates. The Royal Navy acknowledged that there were factors other than greater size and heavier guns. The United States Navy's sloops and brigs had also won several victories over Royal Navy vessels of approximately equal strength. While the American ships had experienced and well-drilled volunteer crews, the enormous size of the overstretched Royal Navy meant that many ships were shorthanded and the average quality of crews suffered. The constant sea duties of those serving in North America interfered with their training and exercises.

The capture of the three British frigates stimulated the British to greater exertions. More vessels were deployed on the American seaboard and the blockade tightened. On June 1, 1813, off Boston Harbor, the frigate Chesapeake, commanded by Captain James Lawrence, was captured by the British frigate HMS Shannon under Captain Sir Philip Broke. Lawrence was mortally wounded and famously cried out, "Don't give up the ship! Hold on, men!" The two frigates were of near-identical size. Chesapeake 's crew was larger but most had not served or trained together. British citizens reacted with celebration and relief that the run of American victories had ended. Notably, this action was by ratio one of the bloodiest contests recorded during this age of sail, with more dead and wounded than HMS Victory suffered in four hours of combat at Trafalgar. Captain Lawrence was killed and Captain Broke was so badly wounded that he never again held a sea command.

In January 1813, the American frigate Essex, under the command of Captain David Porter, sailed into the Pacific to harass British shipping. Many British whaling ships carried letters of marque allowing them to prey on American whalers, and they nearly destroyed the industry. The Essex challenged this practice. She inflicted considerable damage on British interests before she and her tender, Essex Junior ( armed with twenty guns) were captured off Valparaiso, Chile by the British frigate HMS Phoebe and the sloop HMS Cherub on March 28, 1814.

The British 6th-rate Cruizer-class brig-sloops did not fare well against the American ship-rigged sloops of war. The Hornet and Wasp constructed before the war were notably powerful vessels, and the Frolic class built during the war even more so (although Frolic was trapped and captured by a British frigate and a schooner). The British brig-rigged sloops tended to suffer fire to their rigging more frequently than the American ship-rigged sloops. In addition, the ship-rigged sloops could back their sails in action, giving them another advantage in manoeuvring.

Following their earlier losses, the British Admiralty instituted a new policy that the three American heavy frigates should not be engaged except by a ship of the line or smaller vessels in squadron strength. An example of this was the capture of the President by a squadron of four British frigates in January 1815. But, a month later, the Constitution engaged and captured two smaller British warships, HMS Cyane and HMS Levant, sailing in company.

Success in single ship battles raised American morale after the repeated failed invasion attempts in Upper and Lower Canada. However these single ship victories had no military effect on the war at sea as they did not alter the balance of naval power, impede British supplies and reinforcements, or even raise insurance rates for British trade.

Privateering
The operations of American privateers proved a more significant threat to British trade than the U.S. Navy. They operated throughout the Atlantic and continued until the close of the war, most notably from ports such as Baltimore. American privateers reported taking 1300 British merchant vessels, compared to 254 taken by the U.S. Navy. although the insurer Lloyd's of London reported that only 1,175 British ships were taken, 373 of which were recaptured, for a total loss of 802. However the British were able to limit privateering losses by the strict enforcement of convoy by the Royal Navy and by capturing 278 American privateers. Due to the massive size of the British merchant fleet, American captures only affected 7.5% of the British merchant fleet, resulting no supply shortages or lack of reinforcements for British forces in North America.

Due to the large size of their navy, the British did not rely as much on privateering. The majority of the 1,407 captured American merchant ships were taken by the Royal Navy. The war was the last time the British allowed privateering, since the practice was coming to be seen as politically inexpedient and of diminishing value in maintaining its naval supremacy. However privateering remained popular in British colonies. It was the last hurrah for privateers Bermuda who vigorously returned to the practice after experience in previous wars. The nimble Bermuda sloops captured 298 American ships. Privateer schooners based in British North America, especially from Nova Scotia took 250 American ships and proved especially effective in crippling American coastal trade and capturing American ships closer to shore than the Royal Navy cruisers.

Blockade
The small British North American squadron had difficulty at the beginning of the war in blockading the entire U.S. coast, faced by the need to convoy vessels against American privateers. However as additional ships were sent to North America in 1813, the Royal Navy was able to tighten the blockade and extend it, first to the coast south of Narragansett by November 1813 and to the entire American coast on May 31, 1814.

The British government, having need of American foodstuffs for its army in Spain, benefited from the willingness of the New Englanders to trade with them, so no blockade of New England was at first attempted. The Delaware River and Chesapeake Bay were declared in a state of blockade on December 26, 1812. Illicit trade was carried on by collusive captures arranged between American traders and British officers. American ships were fraudulently transferred to neutral flags. Eventually, the U.S. government was driven to issue orders to stop illicit trading; this put only a further strain on the commerce of the country. The overpowering strength of the British fleet enabled it to occupy the Chesapeake and to attack and destroy numerous docks and harbours.

The blockade of American ports later tightened to the extent that most American merchant ships and naval vessels were confined to port. The American frigates United States and HMS Macedonian ended the war blockaded and hulked in New London, Connecticut. Some merchant ships were based in Europe or Asia and continued operations. Others, mainly from New England, were issued licences to trade by Admiral Sir John Borlase Warren, commander in chief on the American station in 1813. This allowed Wellington's army in Spain to receive American goods and to maintain the New Englanders' opposition to the war. The blockade nevertheless resulted in American exports decreasing from $130 million in 1807 to $7 million in 1814. Most of these were food exports that ironically went to supply their enemies in Britain or British colonies.

As the Royal Navy base that supervised the blockade, Halifax profited greatly during the war. From that base British privateers seized many French and American ships and sold their prizes in Halifax.

Freeing and Recruiting slaves
The blockading British fleet in Chesapeake Bay, based at Bermuda, received increasing numbers of enslaved black Americans during 1813. They were welcomed by Royal Navy officers holding anti-slavery sentiments and, by British government order, were treated as free persons when reaching British hands. In 1814, the British government changed from a policy of passively accepting refugees to actively encouraging slaves to emigrate. It was imperfectly implemented by Admiral Alexander Cochrane's proclamation of April 2, 1814, which offered freedom to slaves reaching British lines or ships. It was similar to the Crown's offers of freedom to slaves during the Revolutionary War.

Thousands of enslaved Americans went over to the British with their families during the two years from March 1813, a migration known as the Black Refugees. From May 1814, younger men among the volunteers were recruited into a new Corps of Colonial Marines, initially based on occupied Tangier Island in the Chesapeake. The Corps' companies joined several companies of Royal Marines in September 1814 to become part of the 3rd Battalion Royal and Colonial Marines. Earning praise from commanders, the freedmen fought for Britain throughout the Atlantic campaign, including the Battle of Bladensburg and the attacks on Washington, D.C. and Battle of Baltimore.

Following garrison service in the new Royal Naval Dockyard at Bermuda after the war, the men of the Corps were settled in Trinidad in August 1816. Seven hundred of these ex-marines were granted land and organized in villages according to their military companies, in the area since known as The Company Villages. A small number of other freed Americans were recruited into the Second West India regiment. Of those men who did not enlist, the British settled most with their families in Nova Scotia and New Brunswick, as they had thousands of freedmen after the Revolutionary War. In 1815, the British resettled 200 black American slaves from the Gulf of Mexico area to Trinidad.

Occupation of Maine
Maine, then part of Massachusetts, was a base for smuggling and illegal trade between the U.S. and the British. Until 1813 the region was generally quiet except for privateer actions near the coast. In September 1813, there was a notable naval action when the U.S. Navy's brig Enterprise fought and captured the Royal Navy brig Boxer off Pemaquid Point. The first British assault came in July 1814, when Sir Thomas Masterman Hardy took Moose Island (Eastport, Maine) without a shot, with the entire American garrison of Fort Sullivan surrendering. Next, from his base in Halifax, Nova Scotia, in September 1814, Sir John Coape Sherbrooke led 3,000 British troops in the "Penobscot Expedition". In 26 days, he raided and looted Hampden, Bangor, and Machias, destroying or capturing 17 American ships. He won the Battle of Hampden (losing two killed while the Americans lost one killed). Retreating American forces were forced to destroy the frigate Adams. The British occupied the town of Castine and most of eastern Maine for the rest of the war. The Treaty of Ghent returned this territory to the United States. The British left in April 1815, at which time they took ₤10,750 pounds obtained from tariff duties at Castine. This money, called the "Castine Fund", was used to establish Dalhousie University, in Halifax, Nova Scotia.

Chesapeake campaign and "The Star-Spangled Banner"
The strategic location of the Chesapeake Bay near America's capital made it a prime target for the British. Starting in March 1813, a squadron under Rear Admiral George Cockburn started a blockade of the bay and raided towns along the bay from Norfolk to Havre de Grace.

On July 4, 1813, Commodore Joshua Barney, a Revolutionary War naval hero, convinced the Navy Department to build the Chesapeake Bay Flotilla, a squadron of twenty barges to defend the Chesapeake Bay. Launched in April 1814, the squadron was quickly cornered in the Patuxent River, and while successful in harassing the Royal Navy, they were powerless to stop the British campaign that ultimately led to the "Burning of Washington". This expedition, led by Cockburn and General Robert Ross, was carried out between August 19 and 29, 1814, as the result of the hardened British policy of 1814 (although British and American commissioners had convened peace negotiations at Ghent in June of that year). As part of this, Admiral Warren had been replaced as commander in chief by Admiral Alexander Cochrane, with reinforcements and orders to coerce the Americans into a favourable peace.

Governor-in-chief of British North America Sir George Prevost had written to the Admirals in Bermuda, calling for retaliation for the American sacking of York (now Toronto). A force of 2,500 soldiers under General Ross had just arrived in Bermuda aboard HMS Royal Oak, three frigates, three sloops and ten other vessels. Released from the Peninsular War by British victory, the British intended to use them for diversionary raids along the coasts of Maryland and Virginia. In response to Prevost's request, they decided to employ this force, together with the naval and military units already on the station, to strike at Washington, D.C.

On August 24, U.S. Secretary of War John Armstrong insisted that the British would attack Baltimore rather than Washington, even when the British army was obviously on its way to the capital. The inexperienced American militia, which had congregated at Bladensburg, Maryland, to protect the capital, was defeated in the Battle of Bladensburg, opening the route to Washington. While Dolley Madison saved valuables from the Presidential Mansion, President James Madison and the government fled to Virginia.

The British commanders ate the supper that had been prepared for the President before they burned the Presidential Mansion; American morale was reduced to an all-time low. The British viewed their actions as retaliation for destructive American raids into Canada, most notably the Americans' burning of York (now Toronto) in 1813. Later that same evening, a furious storm swept into Washington, D.C., sending one or more tornadoes into the city that caused more damage but finally extinguished the fires with torrential rains. The naval yards were set afire at the direction of U.S. officials to prevent the capture of naval ships and supplies. The British left Washington, D.C. as soon as the storm subsided.

Having destroyed Washington's public buildings, including the President's Mansion and the Treasury, the British army next moved to capture Baltimore, a busy port and a key base for American privateers. The subsequent Battle of Baltimore began with the British landing at North Point, where they were met by American militia. An exchange of fire began, with casualties on both sides. General Ross was killed by an American sniper as he attempted to rally his troops. The sniper was killed moments later, and the British withdrew. The British also tried to attack Baltimore by sea on September 13 but were unable to reduce Fort McHenry, at the entrance to Baltimore Harbor.

The Battle of Fort McHenry was no battle at all. British guns had range on American cannon, and stood off out of U.S. range, bombarding the fort, which returned no fire. Their plan was to coordinate with a land force, but from that distance coordination proved impossible, so the British called off the attack and left. All the lights were extinguished in Baltimore the night of the attack, and the fort was bombarded for 25 hours. The only light was given off by the exploding shells over Fort McHenry, illuminating the flag that was still flying over the fort. The defence of the fort inspired the American lawyer Francis Scott Key to write "Defence of Fort M'Henry", a poem that was set to music as "The Star-Spangled Banner".

None of the actions of the Chesapeake campaign was deemed worthy of a British army medal clasp (Fort Detroit, Chateauguay, Chrysler's Farm being the three clasps for the war), but participants in the attack in Washington were paid prize money by the War Office. In addition, prize-money arising from the booty captured by the expedition in the River Patuxent, at Fort Washington, and Alexandria, between August 22 and 29, 1814 was paid in November 1817. Three companies of Corps of Colonial Marines were among the recipients. A first-class share was worth ₤183 9s 1¾d; a sixth-class share, which was what probably an ordinary marine would receive, was worth ₤1 9s 3½d. A second and final payment came in May 1819. A first-class share was worth ₤42 13s 10¾d; a sixth-class share was worth 9s 1¾d.

Invasions of Upper and Lower Canada, 1812
American leaders assumed that Canada could be easily overrun. Former President Jefferson optimistically referred to the conquest of Canada as "a matter of marching". Many Loyalist Americans had migrated to Upper Canada after the Revolutionary War. There was also significant non-Loyalist American immigration to the area due to the offer of land grants to immigrants, and the U.S. assumed the latter would favour the American cause, but they did not. In prewar Upper Canada, General Prevost was in the unusual position of having to purchase many provisions for his troops from the American side. This peculiar trade persisted throughout the war in spite of an abortive attempt by the U.S. government to curtail it. In Lower Canada, which was much more populous, support for Britain came from the English elite with strong loyalty to the Empire, and from the Canadien elite, who feared American conquest would destroy the old order by introducing Protestantism, Anglicization, republican democracy, and commercial capitalism; and weakening the Catholic Church. The Canadien inhabitants feared the loss of a shrinking area of good lands to potential American immigrants.

In 1812–13, British military experience prevailed over inexperienced American commanders. Geography dictated that operations would take place in the west: principally around Lake Erie, near the Niagara River between Lake Erie and Lake Ontario, and near the Saint Lawrence River area and Lake Champlain. This was the focus of the three-pronged attacks by the Americans in 1812. Although cutting the St. Lawrence River through the capture of Montreal and Quebec would have made Britain's hold in North America unsustainable, the United States began operations first in the western frontier because of the general popularity there of a war with the British, who had sold arms to the Native Americans opposing the settlers.

The British scored an important early success when their detachment at St. Joseph Island, on Lake Huron, learned of the declaration of war before the nearby American garrison at the important trading post at Mackinac Island in Michigan. A scratch force landed on the island on July 17, 1812 and mounted a gun overlooking Fort Mackinac. After the British fired one shot from their gun, the Americans, taken by surprise, surrendered. This early victory encouraged the natives, and large numbers moved to help the British at Amherstburg.The island totally controlled access to the Old Northwest, giving the British nominal control of this area, and, more vitally,a monopoly on the fur trade.

An American army under the command of William Hull invaded Canada on July 12, with his forces chiefly composed of untrained and ill-disciplined militiamen. Once on Canadian soil, Hull issued a proclamation ordering all British subjects to surrender, or "the horrors, and calamities of war will stalk before you". He also threatened to kill any British prisoner caught fighting alongside a native. The proclamation helped stiffen resistance to the American attacks. Hull's army was too weak in artillery and badly supplied to achieve its objectives, and had to fight just to maintain its own lines of communication.

The senior British officer in Upper Canada, Major General Isaac Brock, felt that he should take bold measures to calm the settler population in Canada, and to convince the aboriginals who were needed to defend the region that Britain was strong. He moved rapidly to Amherstburg near the western end of Lake Erie with reinforcements and immediately decided to attack Detroit. Hull, fearing that the British possessed superior numbers and that the Indians attached to Brock's force would commit massacres if fighting began, surrendered Detroit without a fight on August 16. Knowing of British-instigated indigenous attacks on other locations, Hull ordered the evacuation of the inhabitants of Fort Dearborn (Chicago) to Fort Wayne. After initially being granted safe passage, the inhabitants (soldiers and civilians) were attacked by Potowatomis on August 15 after travelling only 2 mi in what is known as the Battle of Fort Dearborn. The fort was subsequently burned.

Brock promptly transferred himself to the eastern end of Lake Erie, where American General Stephen Van Rensselaer was attempting a second invasion. An armistice (arranged by Prevost in the hope the British renunciation of the Orders in Council to which the United States objected might lead to peace) prevented Brock from invading American territory. When the armistice ended, the Americans attempted an attack across the Niagara River on October 13, but suffered a crushing defeat at Queenston Heights. Brock was killed during the battle. While the professionalism of the American forces would improve by the war's end, British leadership suffered after Brock's death. A final attempt in 1812 by American General Henry Dearborn to advance north from Lake Champlain failed when his militia refused to advance beyond American territory.

In contrast to the American militia, the Canadian militia performed well. French Canadians, who found the anti-Catholic stance of most of the United States troublesome, and United Empire Loyalists, who had fought for the Crown during the American Revolutionary War, strongly opposed the American invasion. However, many in Upper Canada were recent settlers from the United States who had no obvious loyalties to the Crown. Nevertheless, while there were some who sympathized with the invaders, the American forces found strong opposition from men loyal to the Empire.

American Northwest, 1813
After Hull's surrender of Detroit, General William Henry Harrison was given command of the U.S. Army of the Northwest. He set out to retake the city, which was now defended by Colonel Henry Procter in conjunction with Tecumseh. A detachment of Harrison's army was defeated at Frenchtown along the River Raisin on January 22, 1813. Procter left the prisoners with an inadequate guard, who could not prevent some of his North American aboriginal allies from attacking and killing perhaps as many as sixty Americans, many of whom were Kentucky militiamen. The incident became known as the River Raisin Massacre. The defeat ended Harrison's campaign against Detroit, and the phrase "Remember the River Raisin!" became a rallying cry for the Americans.



In May 1813, Procter and Tecumseh set siege to Fort Meigs in northern Ohio. American reinforcements arriving during the siege were defeated by the natives, but the fort held out. The Indians eventually began to disperse, forcing Procter and Tecumseh to return to Canada. A second offensive against Fort Meigs also failed in July. In an attempt to improve Indian morale, Procter and Tecumseh attempted to storm Fort Stephenson, a small American post on the Sandusky River, only to be repulsed with serious losses, marking the end of the Ohio campaign.

On Lake Erie, American commander Captain Oliver Hazard Perry fought the Battle of Lake Erie on September 10, 1813. His decisive victory ensured American control of the lake, improved American morale after a series of defeats, and compelled the British to fall back from Detroit. This paved the way for General Harrison to launch another invasion of Upper Canada, which culminated in the U.S. victory at the Battle of the Thames on October 5, 1813, in which Tecumseh was killed. Tecumseh's death effectively ended the North American indigenous alliance with the British in the Detroit region. American control of Lake Erie meant the British could no longer provide essential military supplies to their aboriginal allies, who therefore dropped out of the war. The Americans controlled the area during the conflict.

Niagara frontier, 1813
Because of the difficulties of land communications, control of the Great Lakes and the St. Lawrence River corridor was crucial. When the war began, the British already had a small squadron of warships on Lake Ontario and had the initial advantage. To redress the situation, the Americans established a Navy yard at Sackett's Harbor, New York. Commodore Isaac Chauncey took charge of the large number of sailors and shipwrights sent there from New York; they completed the second warship built there in a mere 45 days. Ultimately, 3,000 men worked at the shipyard, building eleven warships and many smaller boats and transports. Having regained the advantage by their rapid building program, Chauncey and Dearborn attacked York, the capital of Upper Canada, on April 27, 1813. The Battle of York was an American victory, marred by looting and the burning of the Parliament buildings and a library. However, Kingston was strategically more valuable to British supply and communications along the St. Lawrence. Without control of Kingston, the U.S. navy could not effectively control Lake Ontario or sever the British supply line from Lower Canada.

On May 27, 1813, an American amphibious force from Lake Ontario assaulted Fort George on the northern end of the Niagara River and captured it without serious losses. The retreating British forces were not pursued, however, until they had largely escaped and organized a counteroffensive against the advancing Americans at the Battle of Stoney Creek on June 5. On June 24, with the help of advance warning by Laura Secord, another American force was forced to surrender by a much smaller British and native force at the Battle of Beaver Dams, marking the end of the American offensive into Upper Canada. Meanwhile, Commodore James Lucas Yeo had taken charge of the British ships on the lake and mounted a counterattack, which was nevertheless repulsed at the Battle of Sackett's Harbor. Thereafter, Chauncey and Yeo's squadrons fought two indecisive actions, neither commander seeking a fight to the finish.

Late in 1813, the Americans abandoned the Canadian territory they occupied around Fort George. They set fire to the village of Newark (now Niagara-on-the-Lake) on December 15, 1813, incensing the Canadians and politicians in control. Many of the inhabitants were left without shelter, freezing to death in the snow. This led to British retaliation following the Capture of Fort Niagara on December 18, 1813. Early the next morning on December 19, the British and their native allies stormed the neighbouring town of Lewiston, New York, torching homes and buildings and killing about a dozen civilians. As the British were chasing the surviving residents out of town, a small force of Tuscarora natives intervened and stopped the pursuit, buying enough time for the locals to escape to safer ground. It is notable in that the Tuscaroras defended the Americans against their own Iroquois brothers, the Mohawks, who sided with the British. Later, the British attacked and burned Buffalo on December 30, 1813.

In 1814, the contest for Lake Ontario turned into a building race. Naval superiority shifted between the opposing fleets as each built new, bigger ships. However, neither was able to bring the other to battle when in a position of superiority. The Engagements on Lake Ontario were a draw.

St. Lawrence and Lower Canada, 1813
The British were potentially most vulnerable over the stretch of the St. Lawrence where it formed the frontier between Upper Canada and the United States. During the early days of the war, there was illicit commerce across the river. Over the winter of 1812 and 1813, the Americans launched a series of raids from Ogdensburg on the American side of the river, which hampered British supply traffic up the river. On February 21, Sir George Prevost passed through Prescott on the opposite bank of the river with reinforcements for Upper Canada. When he left the next day, the reinforcements and local militia attacked. At the Battle of Ogdensburg, the Americans were forced to retire.

For the rest of the year, Ogdensburg had no American garrison, and many residents of Ogdensburg resumed visits and trade with Prescott. This British victory removed the last American regular troops from the Upper St. Lawrence frontier and helped secure British communications with Montreal. Late in 1813, after much argument, the Americans made two thrusts against Montreal. The plan eventually agreed upon was for Major General Wade Hampton to march north from Lake Champlain and join a force under General James Wilkinson that would embark in boats and sail from Sackett's Harbor on Lake Ontario and descend the St. Lawrence. Hampton was delayed by bad roads and supply problems and also had an intense dislike of Wilkinson, which limited his desire to support his plan. On October 25, his 4,000-strong force was defeated at the Chateauguay River by Charles de Salaberry's smaller force of -Canadian Voltigeurs and Mohawks. Wilkinson's force of 8,000 set out on October 17, but was also delayed by bad weather. After learning that Hampton had been checked, Wilkinson heard that a British force under Captain William Mulcaster and Lieutenant Colonel Joseph Wanton Morrison was pursuing him, and by November 10, he was forced to land near Morrisburg, about 150 kilometres (90 mi.) from Montreal. On November 11, Wilkinson's rear guard, numbering 2,500, attacked Morrison's force of 800 at Crysler's Farm and was repulsed with heavy losses. After learning that Hampton could not renew his advance, Wilkinson retreated to the U.S. and settled into winter quarters. He resigned his command after a failed attack on a British outpost at Lacolle Mills.

Niagara and Plattsburgh Campaigns, 1814
By the middle of 1814, American generals, including Major Generals Jacob Brown and Winfield Scott, had drastically improved the fighting abilities and discipline of the army. Their renewed attack on the Niagara peninsula quickly captured Fort Erie. Winfield Scott then gained a victory over an inferior British force at the Battle of Chippawa on July 5. An attempt to advance further ended with a hard-fought but inconclusive battle at Lundy's Lane on July 25.

The outnumbered Americans withdrew but withstood a prolonged Siege of Fort Erie. The British suffered heavy casualties in a failed assault and were weakened by exposure and shortage of supplies in their siege lines. Eventually the British raised the siege, but American Major General George Izard took over command on the Niagara front and followed up only halfheartedly. The Americans lacked provisions, and eventually destroyed the fort and retreated across the Niagara.

Meanwhile, following the abdication of Napoleon, 15,000 British troops were sent to North America under four of Wellington's ablest brigade commanders. Fewer than half were veterans of the Peninsula and the rest came from garrisons. Prevost was ordered to neutralize American power on the lakes by burning Sackets Harbor, gain naval control of Lake Erie, Lake Ontario and the Upper Lakes, and defend Lower Canada from attack. He did defend Lower Canada but otherwise failed to achieve his objectives. Given the late season he decided to invade New York State. His army outnumbered the American defenders of Plattsburgh, but he was worried about his flanks so he decided he needed naval control of Lake Champlain. On the lake, the British squadron under Captain George Downie and the Americans under Master Commandant Thomas Macdonough were more evenly matched.

On reaching Plattsburgh, Prevost delayed the assault until the arrival of Downie in the hastily completed 36-gun frigate HMS Confiance. Prevost forced Downie into a premature attack, but then unaccountably failed to provide the promised military backing. Downie was killed and his naval force defeated at the naval Battle of Plattsburgh in Plattsburgh Bay on September 11, 1814. The Americans now had control of Lake Champlain; Theodore Roosevelt later termed it "the greatest naval battle of the war". The successful land defence was led by Alexander Macomb. To the astonishment of his senior officers, Prevost then turned back, saying it would be too hazardous to remain on enemy territory after the loss of naval supremacy. Prevost was recalled and in London, a naval court-martial decided that defeat had been caused principally by Prevost's urging the squadron into premature action and then failing to afford the promised support from the land forces. Prevost died suddenly, just before his own court-martial was to convene. Prevost's reputation sank to a new low, as Canadians claimed that their militia under Brock did the job and he failed. Recently, however, historians have been more kindly, measuring him not against Wellington but against his American foes. They judge Prevost's preparations for defending the Canadas with limited means to be energetic, well-conceived, and comprehensive; and against the odds, he had achieved the primary objective of preventing an American conquest.

To the east, the northern part of Massachusetts, soon to be Maine, was invaded. Fort Sullivan at Eastport was taken by Sir Thomas Hardy on July 11. Castine, Hampden, Bangor, and Machias were taken, and Castine became the main British base till April 15, 1815, when the British left, taking £10,750 in tariff duties, the "Castine Fund" which was used to found Dalhousie University. Eastport was not returned to the United States till 1818.

American West, 1813–14
The Mississippi River valley was the western frontier of the United States in 1812. The territory acquired in the Louisiana Purchase of 1803 contained almost no U.S. settlements west of the Mississippi except around Saint Louis and a few forts and trading posts. Fort Bellefontaine, an old trading post converted to a U.S. Army post in 1804, served as regional headquarters. Fort Osage, built in 1808 along the Missouri was the western-most U.S. outpost, it was abandoned at the start of the war. Fort Madison, built along the Mississippi in what is now Iowa, was also built in 1808, and had been repeatedly attacked by British-allied Sauk since its construction. In September 1813 Fort Madison was abandoned after it was attacked and besieged by natives, who had support from the British. This was one of the few battles fought west of the Mississippi. Black Hawk played a leadership role.

Little of note took place on Lake Huron in 1813, but the American victory on Lake Erie and the recapture of Detroit isolated the British there. During the ensuing winter, a Canadian party under Lieutenant Colonel Robert McDouall established a new supply line from York to Nottawasaga Bay on Georgian Bay. When he arrived at Fort Mackinac with supplies and reinforcements, he sent an expedition to recapture the trading post of Prairie du Chien in the far west. The Siege of Prairie du Chien ended in a British victory on July 20, 1814.

Earlier in July, the Americans sent a force of five vessels from Detroit to recapture Mackinac. A mixed force of regulars and volunteers from the militia landed on the island on August 4. They did not attempt to achieve surprise, and at the brief Battle of Mackinac Island, they were ambushed by natives and forced to re-embark. The Americans discovered the new base at Nottawasaga Bay, and on August 13, they destroyed its fortifications and a schooner that they found there. They then returned to Detroit, leaving two gunboats to blockade Mackinac. On September 4, these gunboats were taken unawares and captured by British boarding parties from canoes and small boats. This Engagement on Lake Huron left Mackinac under British control.

The British garrison at Prairie du Chien also fought off another attack by Major Zachary Taylor. In this distant theatre, the British retained the upper hand until the end of the war, through the allegiance of several indigenous tribes that received British gifts and arms, enabling them to take control of parts of what is now Michigan and Illinois, as well as the whole of modern Wisconsin. In 1814 U.S. troops retreating from the Battle of Credit Island on the upper Mississippi attempted to make a stand at Fort Johnson, but the fort was soon abandoned, along with most of the upper Mississippi valley.

After the U.S. was pushed out of the Upper Mississippi region, they held on to eastern Missouri and the St. Louis area. Two notable battles fought against the Sauk were the Battle of Cote Sans Dessein, in April 1815, at the mouth of the Osage River in the Missouri Territory, and the Battle of the Sink Hole, in May 1815, near Fort Cap au Gris.

At the conclusion of peace, Mackinac and other captured territory was returned to the United States. At the end of the war, some British officers and Canadians objected to handing back Prairie du Chien and especially Mackinac under the terms of the Treaty of Ghent. However, the Americans retained the captured post at Fort Malden, near Amherstburg, until the British complied with the treaty.

Fighting between Americans, the Sauk, and other indigenous tribes continued through 1817, well after the war ended in the east.

Creek War
The Battle of Burnt Corn between Red Stick Creeks and U.S. troops, occurred in the southern parts of Alabama on July 27, 1813 prompted the state of Georgia as well as the Mississippi territory militia to immediately take major action against Creek offensives. The Red Sticks chiefs gained power in the east along the Alabama, Coosa, and Tallapoosa Rivers – Upper Creek territory. The Lower Creek lived along the Chattahoochee River. Many Creeks tried to remain friendly to the United States, and some were organized by federal Indian Agent Benjamin Hawkins to aid the 6th Military District under General Thomas Pinckney and the state militias. The United States combined forces were large. At its peak the Red Stick faction had 4,000 warriors, only a quarter of whom had muskets.

Prior to 1813, the Creek War had been largely an internal affair sparked by the ideas of Tecumseh farther north in the Mississippi Valley, but the United States was drawn into a war with the Creek Nation by the War of 1812. The Creek Nation was a trading partner of the United States actively involved with Spanish and British trade as well. The Red Sticks, as well as many southern Muscogeean people like the Seminole, had a long history of alliance with the Spanish and British Empires. This alliance helped the North American and European powers protect each other’s claims to territory in the south. On August 18, 1813, Red Stick chiefs planned an attack on Fort Mimms, north of Mobile, the only American-held port in the territory of West Florida. The attack on Fort Mimms resulted in the death of 400 settlers and became an ideological rallying point for the Americans.

The Indian frontier of Georgia was the most vulnerable but was partially fortified already. From November 1813 to January 1814, Georgia’s militia and auxiliary Federal troops - from the Creek and Cherokee nations and the states of North Carolina and South Carolina – organized the fortification of defenses along the Chattahoochee River and expeditions into Upper Creek territory in present-day Alabama. The army, led by General John Floyd, went to the heart of the Creek Holy Grounds and won a major offensive against one of the largest Creek towns at Autosee, killing an estimated two hundred people. In November, the militia of Mississippi with a combined 1200 troops attacked the Econachca encampment on the Alabama River. Tennessee raised a militia of 5,000 under Colonel Andrew Jackson and Major General Coke and won the battles of Tallushatchee and Talladega in November 1813.

The Georgia militia withdrew to the Chattahoochee, and Jackson's force in Tennessee mostly disbanded for the winter. In January Floyd's force of 1,300 militia and 400 Creek moved to join the U.S forces in Tennessee, but were attacked in camp on the Calibee Creek by Tuckaubatchee Indians on the 27th.

Despite enlistment problems in the winter, the U.S. army forces and a second draft of Tennessee militia and Cherokee and Creek allies swelled his army to around 5,000. In March 1814 they moved south to attack the Creek. On March 26, Jackson and General John Coffee decisively defeated the Creek at Horseshoe Bend, killing 800 of 1,000 Creeks at a cost of 49 killed and 154 wounded out of approximately 2,000 American and Cherokee forces. The American army moved to a fort on the Alabama River. On August 9, 1814, the Upper Creek chiefs and Major General Andrew Jackson’s army signed the Treaty of Fort Jackson. The most of western Georgia and part of Alabama was taken from the Creeks to pay for expenses borne by the United States. The Treaty also “demanded” that the Red Stick cease communicating with the Spanish or British, and only trade with U.S. approved agents.

British aid to the Red Sticks arrived after the end of the Napoleonic Wars in April 1814 and after Admiral Sir Alexander Cochrane assumed command from Admiral Warren in March. The Creek promised to join any body of 'troops that should aid them in regaining their lands, and suggesting an attack on the tower off Mobile.' In April 1814 the British established an outpost on the Apalachicola River at Prospect Bluff (Fort Gadsden). Cochrane sent a company of Royal Marines, the vessels HMS Hermes and HMS Carron, commanded by Edward Nicolls, with further supplies to meet the Indians. In addition to training the Indians, Nicolls was tasked to raise a force from escaped slaves, as part of the Corps of Colonial Marines.

In July 1814, General Andrew Jackson complained to the Governor of Pensacola, Mateo Gonzalez Manrique, that combatants from the Creek War were being harbored in Spanish territory, and made reference to the British presence on Spanish soil. Although he gave an angry reply to Jackson, Manrique was alarmed at the weak position he found himself in. He appealed to the British for help, with Woodbine arriving on 28 July, and Nicolls arriving at Pensacola on 24 August.

The first engagement of the British and their Creek allies against the Americans on the Gulf Coast was the attack on Fort Bowyer September 14, 1814. Captain William Percy tried to take the U.S. fort, hoping that would enable the British to move on Mobile and block US trade and encroachment on the Mississippi. After the Americans repulsed Percy’s forces, the British established a military presence of up to 200 Marines at Pensacola. In November, Jackson’s force of 4,000 men took the town in November. This underlined the superiority of numbers of Jackson's force in the region. The U.S force moved to New Orleans in late 1814. Jackson’s army of 1,000 regulars and 3,000 to 4,000 militia, pirates and other fighters, as well as civilians and slaves built fortifications south of the city.

Gulf Coast
At the end of 1814, the British launched a double offensive in the South weeks before the Treaty of Ghent was signed. On the Atlantic Coast, Admiral George Cockburn was to close the Intracoastal Waterway trade and land Royal Marine battalions to advance through Georgia to the western territories. On the Gulf Coast, Admiral Alexander Cochrane would move on the new state of Louisiana and the US gulf territories. Admiral Cochrane’s ships reached the Louisiana coast December 9, and Cockburn arrived in Georgia December 14.

On January 8, 1815, a British force of 8,000 under General Edward Pakenham attacked Jackson's defenses in New Orleans. The Battle of New Orleans was an American victory, as the British failed to take the fortifications on the East Bank. The British suffered high casualties: 291 dead, 1262 wounded, and 484 captured or missing whereas American casualties were 13 dead, 39 wounded, and 19 missing. It was hailed as a great victory across the U.S., making Jackson a national hero and eventually propelling him to the presidency.

After New Orleans, the British tried to take Mobile a second time; General John Lambert laid siege for five days and took the fort, winning the Second Battle of Fort Bowyer on February 12, 1815. HMS Brazen brought news of the Treaty of Ghent the next day, and the British abandoned the Gulf Coast.

In January 1815, Admiral Cockburn succeeded in blockading the southeastern coast by occupying Camden County, Georgia. The British quickly took Cumberland Island, Fort Point Peter and Fort St. Tammany in a decisive victory. Under the orders of his commanding officers, Cockburn’s forces relocated many refugee slaves, capturing St. Simons Island as well in order to do so. During the invasion of the Georgia coast, an estimated 1,485 people chose to relocate in British territories or join the military.In mid-March, several days after being informed of the Treaty of Ghent, British ships finally left the area.

Postwar fighting
After peace was declared, Nicolls and his men returned to Prospect Bluff. The British post at Prospect Bluff was handed over to the Seminoles. In April 1815 the locally recruited companies of the Corps of Colonial Marines were disbanded. The greater part of the Royal Marine garrison at Apalachicola were embarked aboard HMS Cydnus on 22 April 1815, and Edward Nicolls embarked the brig HMS Forward at Amelia Island on 29 June 'for passage to England'. The legacy of the Negro Fort would subsequently lead to the first of the Seminole Wars.

In May 1815, a band of British-allied Sauk, unaware that the war had ended months before, attacked a small band of U.S. soldiers northwest of St. Louis. Intermittent fighting, primarily with the Sauk, continued in the Missouri Territory well into 1817, although it is unknown if the Sauk were acting on their own or on behalf of British agents. Several uncontacted isolated warships continued fighting well into 1815 and were the last American forces to take offensive action against the British.

Factors leading to the peace negotiations
By 1814, both sides had achieved their main war goals and were weary of a costly war that offered little but stalemate. They both sent delegations to a neutral site in Ghent, Belgium. The negotiations began in early August and concluded on December 24, when a final agreement was signed; both sides had to ratify it before it could take effect. Meanwhile both sides planned new invasions.

In 1814 the British began blockading New England ports, reducing American foreign trade to a trickle, but hurting British interests in the West Indies and Canada that had depended on that trade. New England was considering secession. But although American privateers found chances of success much reduced, with most British merchantmen now sailing in convoy, privateering continued to prove troublesome to the British, as shown by high insurance rates. British landowners grew weary of high taxes, and colonial interests and merchants called on the government to reopen trade with the U.S. by ending the war.

Negotiations and peace
As the peace talks opened, the British demanded the creation of an Indian barrier state in the American Northwest Territory (the area from Ohio to Wisconsin), and they demanded that Americans not have any naval forces on the Great Lakes. The U.S. rejected the demands and there was an impasse.

American public opinion was outraged when Madison published the demands; even the Federalists were now willing to fight on. The British had planned three invasions. One force burned Washington but failed to capture Baltimore, and sailed away when its commander was killed. In northern New York State, 10,000 British veterans were marching south until a decisive defeat at the Battle of Plattsburgh forced them back to Canada. Nothing was known of the fate of the third large invasion force aimed at capturing New Orleans and southwest. The Prime Minister wanted the Duke of Wellington to command in Canada and finally win the war; Wellington said that he would go to America but he believed he was needed in Europe. He also stated:

"I think you have no right, from the state of war, to demand any concession of territory from America ... You have not been able to carry it into the enemy's territory, notwithstanding your military success and now undoubted military superiority, and have not even cleared your own territory on the point of attack. You cannot on any principle of equality in negotiation claim a cessation of territory except in exchange for other advantages which you have in your power ... Then if this reasoning be true, why stipulate for the uti possidetis? You can get no territory: indeed, the state of your military operations, however creditable, does not entitle you to demand any."

The Prime Minister, Lord Liverpool, aware of growing opposition to wartime taxation and the demands of Liverpool and Bristol merchants to reopen trade with America, realized Britain had little to gain and much to lose from prolonged warfare. Britain dropped its demand for an independent Indian state, which was in any case hopeless after the defeat of the British and the death of Tecumseh at the Battle of the Thames; this concession allowed negotiations to resume at the end of October. The details were then easy to resolve since the basic plan was to exchange all captured territory and leave the boundary as it was before the war.

On December 24, 1814 the diplomats had finished and signed the Treaty of Ghent. The treaty was ratified by the British three days later on December 27 and arrived in Washington on February 17 where it was quickly ratified and went into effect, thus finally ending the war. The terms called for all occupied territory to be returned, the prewar boundary between Canada and the United States to be restored, and the Americans were to gain fishing rights in the Gulf of Saint Lawrence.

The treaty did not mention the grievances of 1812 that led to war. The Americans were satisfied that their honour as an independent nation had been upheld. The Indians issue east of the Mississippi had been resolved; impressment, ship seizures and blockades had ended when Britain's war with France ended in 1814. Mobile and parts of western Florida were not mentioned in the treaty but remained permanently in American possession, despite objections by Spain.

Losses and compensation
British losses in the war were about 1,600 killed in action and 3,679 wounded; 3,321 British died from disease. American losses were 2,260 killed in action and 4,505 wounded. While the number of Americans who died from disease is not known, it is estimated that about 15,000 died from all causes directly related to the war. These figures do not include deaths among Canadian militia forces or losses among native tribes.

There have been no estimates of the cost of the American war to Britain, but it did add some £25 million to the national debt. In the U.S., the cost was $105 million, about the same as the cost to Britain. The national debt rose from $45 million in 1812 to $127 million by the end of 1815, although by selling bonds and treasury notes at deep discounts—and often for irredeemable paper money due to the suspension of specie payment in 1814—the government received only $34 million worth of specie.

In addition, at least 3,000 American slaves escaped to the British because of their offer of freedom, the same as they had made in the American Revolution. Many other slaves simply escaped in the chaos of war and achieved their freedom on their own. The British settled some of the newly freed slaves in Nova Scotia. Four hundred freedmen were settled in New Brunswick. The Americans protested that Britain's failure to return the slaves violated the Treaty of Ghent. After arbitration by the Tsar of Russia the British paid $1,204,960 in damages to Washington, which reimbursed the slaveowners.

Popular views
During the 19th century the popular image of the war in the United States was of an American victory, and in Canada, of a Canadian victory. Each young country saw its self-perceived victory as an important foundation of its growing nationhood. The British, on the other hand, who had been preoccupied by Napoleon's challenge in Europe, paid little attention to what was to them a peripheral and secondary dispute, a distraction from the principal task at hand.

Canadian
In British North America (which would become the Dominion of Canada in 1867), the War of 1812 was seen by Loyalists as a victory, as they had successfully defended their borders from an American takeover. The outcome gave Empire-oriented Canadians confidence and, together with the postwar "militia myth" that the civilian militia had been primarily responsible rather than the British regulars, was used to stimulate a new sense of Canadian nationalism. John Strachan, the first Anglican bishop of Toronto, created the myth, telling his flock that Upper Canada had been saved from the dangerous republicanism of the American invaders by the heroism of the local citizenry.

A long-term implication of the militia myth—which was false, but remained popular in the Canadian public at least until the First World War—was that Canada did not need a regular professional army. The U.S. Army had done poorly, on the whole, in several attempts to invade Canada, and the Canadians had shown that they would fight bravely to defend their country. But the British did not doubt that the thinly populated territory would be vulnerable in a third war. "We cannot keep Canada if the Americans declare war against us again", Admiral Sir David Milne wrote to a correspondent in 1817, although the Rideau Canal was built for just such a scenario.

By the 21st century it was a forgotten war in Britain, although still remembered in Canada, especially Ontario. In a 2009 poll, 37% of Canadians said the war was a Canadian victory, 9% said the U.S. won, 15% called it a draw, and 39%—mainly younger Canadians—said they knew too little to comment.

A February 2012 poll found that in a list of items that could be used to define Canadians' identity, the fact that Canada successfully repelled an American invasion in the War of 1812 places second (25%), only behind the fact that Canada has universal health care (53%). The survey states that 77% of Canadians believe that War of 1812 Bicentennial is an important commemoration.

American
Today, American popular memory includes the British capture and the burning of Washington in August 1814, which necessitated its extensive renovation. Another memory is the successful American defence of Fort McHenry in September 1814, which inspired the lyrics of the U.S. national anthem, "The Star-Spangled Banner". The successful Captains of the U.S. Navy became popular heroes with plates with the likeness of Decatur, Steward, Hull, and others, becoming popular items. Ironically, many were made in England. The Navy became a cherished institution, lauded for the victories that it won against all odds.

Historians' views
Historians have differing and more complex interpretations. Historians agree that ending the war with neither side gaining or losing territory allowed for the peaceful settlement of boundary disputes and for the opening of a permanent era of good will and friendly relations between the U.S. and Canada. The war established distinct national identities for Canada and the United States, with a "newly significant border".

In recent decades the view of the majority of historians has been that the war ended in stalemate, with the Treaty of Ghent closing a war that had become militarily inconclusive. Neither side wanted to continue fighting since the main causes had disappeared and since there were no large lost territories for one side or the other to reclaim by force. Insofar as they see the war's untriumphant resolution as allowing two centuries of peaceful and mutually beneficial intercourse between the U.S., Britain and Canada, these historians often conclude that all three nations were the "real winners" of the War of 1812. These writers often add that the war could have been avoided in the first place by better diplomacy. It is seen as a mistake for everyone concerned because it was badly planned and marked by multiple fiascoes and failures on both sides, as shown especially by the repeated American failure to seize parts of Canada, and the failed British attack on New Orleans and upstate New York.

However, other scholars hold that the war constituted a British victory and an American defeat. They argue that the British achieved their military objectives in 1812 (by stopping the repeated American invasions of Canada) and that Canada retained her independence of the United States. By contrast, they say, the Americans suffered a defeat when their armies failed to achieve their war goal of seizing part or all of Canada. Additionally, they argue the U.S. lost as it failed to stop impressment, which the British refused to repeal until the end of the Napoleonic Wars, and the U.S. actions had no effect on the orders in council, which were rescinded before the war started.

A second minority view is that both the U.S. and Britain won the war—that is, both achieved their main objectives, while the Indians were the losing party. The British won by losing no territories and achieving their great war goal, the total defeat of Napoleon. U.S. won by (1) securing her honour and successfully resisting a powerful empire once again, thus winning a "second war of independence"; and (2) ending the threat of Indian raids and the British plan for a semi-independent Indian sanctuary—thereby opening an unimpeded path for the United States' westward expansion.

Indians as losers
Historians generally agree that the real losers of the War of 1812 were the Indians (called "First Nations" in Canada). American settlers into the Middle West had been repeatedly blocked and threatened by Indian raids before 1812, and that now came to an end. Throughout the war the British had played on terror of the tomahawks and scalping knives of their Indian allies; it worked especially at Hull's surrender at Detroit. By 1813 Americans had killed Tecumseh and broken his coalition of tribes. Jackson then defeated the enemy Indians in the Southwest. Historian John Sugden notes that in both theatres, the Indians' strength had been broken prior to the arrival of the major British forces in 1814.

Notwithstanding the sympathy and support from commanders (such as Brock, Cochrane and Nicolls), the policymakers in London reneged in assisting the Indians, as making peace was a higher priority for the politicians. At the peace conference the British demanded an independent Indian state in the Midwest, but by late 1814 the Indian confederation had disintegrated and the British had to abandon the demand. The withdrawal of British protection gave the Americans a free hand, which resulted in the removal of most of the tribes to Indian Territory (present-day Oklahoma). In that sense according to historian Alan Taylor, the final victory at New Orleans had "enduring and massive consequences". It gave the Americans "continental predominence" while it left the Indians dispossessed, powerless, and vulnerable.

The Creek War came to an end, with the Treaty of Fort Jackson being imposed upon the Indians. About half of the Creek territory was ceded to the United States, with no payment made to the Creeks. This was, in theory, invalidated by Article 9 of the Treaty of Ghent, thereby restoring to the Indians “all the possessions, rights and privileges which they may have enjoyed or been entitled to in 1811.” The British failed to uphold this, and did not take up the Indian cause as an infringement of an international treaty. Without this support, the Indians' lack of power was apparent and the stage was set for further incursions of territory by the United States in subsequent decades.

Long-term consequences
Neither side lost territory in the war, nor did the treaty that ended it address the original points of contention—and yet it changed much between the United States of America and Britain.

The Rush–Bagot Treaty was a treaty between the United States and Britain enacted in 1817 that provided for the demilitarization of the Great Lakes and Lake Champlain, where many British naval arrangements and forts still remained. The treaty laid the basis for a demilitarized boundary and was indicative of improving relations between the United States and Great Britain in the period following the War of 1812. It remains in effect to this day.

The Treaty of Ghent established the status quo ante bellum; that is, there were no territorial losses by either side. The issue of impressment was made moot when the Royal Navy, no longer needing sailors, stopped impressment after the defeat of Napoleon. Except for occasional border disputes and the circumstances of the American Civil War, relations between the U.S. and Britain remained generally peaceful for the rest of the 19th century, and the two countries became close allies in the 20th century.

Border adjustments between the U.S. and British North America were made in the Treaty of 1818. A border dispute along the Maine–New Brunswick border was settled by the 1842 Webster–Ashburton Treaty after the bloodless Aroostook War, and the border in the Oregon Country was settled by splitting the disputed area in half by the 1846 Oregon Treaty. A further dispute about the line of the border through the island in the Strait of Juan de Fuca resulted in another almost bloodless standoff in the Pig War of 1859. The line of the border was finally settled by an international arbitration commission in 1872.

United States
The U.S. suppressed the native American resistance on its western and southern borders. The nation also gained a psychological sense of complete independence as people celebrated their "second war of independence". Nationalism soared after the victory at the Battle of New Orleans. The opposition Federalist Party collapsed, and the Era of Good Feelings ensued.

No longer questioning the need for a strong Navy, the U.S. built three new 74-gun ships of the line and two new 44-gun frigates shortly after the end of the war. (Another frigate had been destroyed to prevent it being captured on the stocks.) In 1816, the U.S. Congress passed into law an "Act for the gradual increase of the Navy" at a cost of $1,000,000 a year for eight years, authorizing 9 ships of the line and 12 heavy frigates. The Captains and Commodores of the U.S. Navy became the heroes of their generation in the U.S. Decorated plates and pitchers of Decatur, Hull, Bainbridge, Lawrence, Perry, and Macdonough were made in Staffordshire, England, and found a ready market in the United States. Three of the war heroes used their celebrity to win national office: Andrew Jackson (elected President in 1828 and 1832), Richard Mentor Johnson (elected Vice President in 1836), and William Henry Harrison (elected President in 1840).

New England states became increasingly frustrated over how the war was being conducted and how the conflict was affecting them. They complained that the U.S. government was not investing enough in the states' defences militarily and financially, and that the states should have more control over their militia. The increased taxes, the British blockade, and the occupation of some of New England by enemy forces also agitated public opinion in the states. As a result, at the Hartford Convention (December 1814 – January 1815) Federalist delegates deprecated the war effort and sought more autonomy for the New England states. They did not call for secession but word of the angry anti-war resolutions appeared at the same time that peace was announced and the victory at New Orleans was known. The upshot was that the Federalists were permanently discredited and quickly disappeared as a major political force.

This war enabled thousands of slaves to escape to British lines or ships for freedom, despite the difficulties. The planters' complacency about slave contentment was shocked by their seeing slaves who would risk so much to be free.

In 1815, with the British gone, most of the Indian tribes of the Midwest made peace with the United States. In the next 15 years they signed a series of treaties selling approximately half of Michigan, half of Indiana, and two thirds of Illinois to the US government, which set up a process for selling the land to white farmers. Pratt concludes," the war had given the Northwest what it most desired." After the decisive defeat of the Creek Indians at the battle of Horseshoe Bend in 1814, some warriors escaped to join the Seminoles in Florida. The remaining Creek chiefs signed away about half their lands, comprising 23,000,000 acres, covering much of southern Georgia and two thirds of modern Alabama. The Creeks were now separated from any future help from the Spanish in Florida,  or from the Choctaw and Chickasaw to the west. During the war the United States seized Mobile, Alabama, which was a strategic location providing oceanic outlet to the cotton lands to the north. Gen. Jackson invaded Florida in 1818, demonstrating to Spain that could no longer control that territory with a small force. Spain sold Florida to the United States in 1819. Pratt concludes:
 * Thus indirectly the War of 1812 brought about the acquisition of Florida.... To both the Northwest and the South, therefore, the War of 1812 brought substantial benefits. It broke the power of the Creek Confederacy and opened to settlement a great province of the future Cotton Kingdom.

British North America (Canada)


A strong hostility to republicanism and American influences permeated western Canada after the war and shaped its policies. Immigration from the U.S. was discouraged, and favour was shown to the Anglican church as opposed to the more Americanized Methodist church.

The Battle of York showed the vulnerability of Upper and Lower Canada. In the 1820s, work began on La Citadelle at Quebec City as a defence against the United States. Additionally, work began on the Halifax citadel to defend the port against American attacks. From 1826 to 1832, the Rideau Canal was built to provide a secure waterway not at risk from American cannon fire. To defend the western end of the canal, the British also built Fort Henry at Kingston.

Indigenous nations
The Native Americans allied to the British lost their cause. The British proposal to create a "neutral" Indian zone in the American West was rejected at the Ghent peace conference and never resurfaced. After 1814 the natives, who lost most of their fur gathering territory, became an undesirable burden to British policymakers who now looked to the United States for markets and raw materials. British agents in the field continued to meet regularly with their former American Indian partners, but they did not supply arms or encouragement and there were no American Indian campaigns to stop U.S. expansionism in the Midwest. Abandoned by their powerful sponsor, American Great Lakes-area Indians ultimately migrated or reached accommodations with the American authorities and settlers.

In the Southeast, Indian resistance had been crushed by General Andrew Jackson during the Creek War; as President (1829–37), Jackson systematically expelled the major tribes to reservations west of the Mississippi., part of which was the forced expulsion of American-allied Cherokee in the trail of tears.

Bermuda
Bermuda had been largely left to the defences of its own militia and privateers prior to U.S. independence, but the Royal Navy had begun buying up land and operating from there in 1795, as its location was a useful substitute for the lost U.S. ports. It originally was intended to be the winter headquarters of the North American Squadron, but the war saw it rise to a new prominence. As construction work progressed through the first half of the 19th century, Bermuda became the permanent naval headquarters in Western waters, housing the Admiralty and serving as a base and dockyard. The military garrison was built up to protect the naval establishment, heavily fortifying the archipelago that came to be described as the "Gibraltar of the West". Defence infrastructure would remain the central leg of Bermuda's economy until after World War II.

Britain
The massive ongoing conflict against the French Empire under Napoleon ensured that the War of 1812 was never seen as more than a sideshow to the main event by the British. Britain's blockade of French trade had been entirely successful and the Royal Navy was the world's dominant nautical power (and would remain so for another century). While the land campaigns had contributed to saving Canada, the Royal Navy had shut down American commerce, bottled up the U.S. Navy in port and heavily suppressed privateering. British businesses, some affected by rising insurance costs, were demanding peace so that trade could resume. The peace was generally welcomed by the British, though there was disquiet at the rapid growth of the U.S. However, the two nations quickly resumed trade after the end of the war and, over time, a growing friendship.