The Columbian Exchange
When Columbus 'discovered' the New World in 1492, he began a long process of trade between the Old and New World called the Columbian Exchange. Some of the exchanges were as simple as the peanut to the Old World and chickens to the New World, but the Columbian Exchange also introduced new diseases from Europe into the New World and initiated a period called the 'Great Dying,' in which eighty percent or more of the Native Americans in the Western hemisphere died.
a data set by historybythompson
created November 15, 2016
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