How did the Columbian Exchange impact the people of Africa?

The introduction of new crops and the decimation if the native population in the New World led to the capture and enslavement of many African people.

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the results of roman expansion produced social conflict and civil war. julius caesar gained power and became a dictator but was then assassinated. the reign of augustus began a long period of imperial rule and peace in the roman empire. rome faced the problems of how to maintain peace, law, and order.

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