What was one effect of the system of enslavement in sub-Saharan Africa from the 1500s to the 1700s?

From the 1500s to the 1700s, the enslavement and forced export of millions of people removed many from their communities in sub-Saharan Africa. As a result, the populations of many communities decreased. The trade in guns, metal, and fabric did not decrease; these goods were often exchanged for enslaved people.

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