User:Rarobinsonpstcc/sandbox

Knoxville, TN Student as Pellissippi State Community College

Columbian Exchange -disease, 1st paragraph after the second sentence. "Before the European initiation of the Columbian exchange, America had no trace of the following disease: smallpox, measles, whooping cough, chickenpox, bubonic plague, typhus, and malaria. "

3rd paragraph after the first sentence edit: "Resulting from their lack of experience with Old World diseases they were immunologically defenceless"

information from Nunn, Nathan, and Nancy Qian. “The Columbian Exchange: A History of Disease, Food, and Ideas.” The Journal of Economic Perspectives, vol. 24, no. 2, 2010,pp.163-188