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The document discusses the Columbian Exchange, which was the widespread transfer of plants, animals, foods, human populations, and diseases between the Americas and the Old World following the voyages of Christopher Columbus in the 15th century. It provides resources to learn about the origins of foods in the New World versus the Old World and explains that besides food, other things like human populations and diseases spread as well through this exchange. Impact of the trade between the two hemispheres is also noted. Links to a video and game are included to further explore the topic.Read less