User:Jengod/List of states by territorial origin

Alaska Purchase
 * Alaska

Florida Purchase
 * Florida

Hawaii Annexation
 * Hawaii

Mexican Cession
 * California
 * Nevada
 * Utah

Oregon Territory
 * Idaho
 * Oregon
 * Washington

Multiple sources
 * Alabama: State Cessions, Louisiana Purchase
 * Arizona: Mexican Cession, Gadsden Purchase
 * Colorado: Mexican Cession, Texas Annexation, Louisiana Purchase
 * New Mexico: Mexican Cession & Gadsden Purchase, Texas Annexation
 * North Dakota: Red River Basin, Louisiana Purchase
 * Minnesota: Red River Basin, Louisiana Purchase, State Cessions
 * Texas: Texas Annexation, Louisiana Purchase
 * Wyoming: Mexican Cession, Oregon Territory, Texas Annexation, Louisiana Purchase

Ambiguous
 * Louisiana: Louisiana Purchase, treaty
 * Maine: State cessions, treaty