Explanation:
Historian 2 (Freehling): Believed slavery was a problem. Freehling recognized that blacks & whites were separated, if slavery ended blacks & whites may not be able to live together, so blacks would have to go back to Africa.
This is an opinion but I beleive it became stronger because people became more aware of terrorism.
Enslaved people built the country's early infrastructure and produced lucrative commodities such as cotton and tobacco. After emancipation, African American labor was crucial in industry, agriculture, and service.
Answer: A, Ghengis Khan Divided his Mongol Empire into 4 Khanates
