Columbian Exchange The Columbian Exchange played a crucial role in developing both the Old and New Worlds. When explorers reached the Americas in 1492, there were many resources back home that were scarce there and vice versa. The Columbian Exchange, also known as The Great Exchange sometimes, describes the widespread exchange of plants, animals, foods, slaves, diseases and idea between the Eastern and Western Hemisphere. Columbus’ voyage kick started an ecological revolution, which allowed for…
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