The Columbian Exchange most directly resulted in which demographic change in the Americas after 1492?
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AMassive population decline among Native Americans due to disease
BRapid population growth among Native Americans due to new crops
CEqual demographic decline in both Europe and the Americas
DImmediate mass migration of Africans to the Americas
✓ Correct answer: A. Massive population decline among Native Americans due to diseaseEuropean diseases such as smallpox, measles, and influenza, to which Native Americans had no immunity, caused catastrophic population decline. It is estimated that up to 90% of the indigenous population died within the first century of contact, fundamentally reshaping American demographics and societies.
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