How did American foods become staple crops in Africa, Asia, and Europe?

American foods (such as potatoes, maize or manioc) became staple crops in various parts of Europe, Asia, and Africa while cash crops. (such as cacao or tobacco) were grown primarily on plantations with coerced labor and were exported mostly to Europe and the Middle East in this period. the Americas while other foods.

Explanation:

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i think that it would be tenth of the first

i don't think it's c or d. i think it's either a or b.

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