Explain ONE demographic or environmental effect of the Columbian Exchange on Africa. for ap world history unit 4 use IDC (identify describe explain)
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Which two factors caused many americans to migrate to the west in the mid-nineteenth century? pick two the texas revolution discovery of gold at sutter’s mill the mexican-american war an interest in american indian culture cheap land prices

Did north or south korea forces advance further into the other’s territory?

Supreme court cases can alter history? true or false