What were the positive and negative effects of the Columbian exchange?  

A positive effect of the Columbian exchange was the introduction of New World crops, such as potatoes and corn, to the Old World. A significant negative effect was the enslavement of African populations and the exchange of diseases between the Old and New Worlds.

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The Columbian Exchange refers to the transfer of plants, animals, diseases, culture, and human populations across the Atlantic from the so-called Old World to the New World and vice-versa. The term was first coined in 1972 by Alfred W. Crosby in his book The Columbian Exchange. The title refers to Christopher Columbus, the explorer who initiated the exchange.

Among the positive effects of the Columbian Exchange were the many crops brought to the Old World from the New World. Some of these eventually became staples in cuisines around the world. These included potatoes, tomatoes, maize, sweet potatoes, cassava, and cacao, which is used to make chocolate. Crops brought from Europe and other parts of the globe that thrived in the New World included sugar, coffee, bananas, grapes, and citrus fruits. Tobacco was also brought from the New World to Europe; it became a booming industry, but it would have to be considered a negative effect because of its detrimental influence on health.

It was also...

(The entire section contains 3 answers and 841 words.)

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