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People say that a Columbian Exchange occurred.

From the Old World to the New:

The deadly smallpox, malaria, yellow fever, gonorrhea, chlamydia, common cold, measles,

influenza, chickenpox, cattle, horses, pigs, sheep, goats, chickens, slaves from Africa, barley, wheat, rye, sugar cane, coffee, dandelions and ragweed.

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7y ago

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