How did the Atlantic slave trade lead to the African diaspora?

ALarge communities of Africans developed in the countries where slaves were sold.
BLarge groups of Africans left Africa to escape the slave trade and settled in other countries.
CAfricans morally opposed to the slave trade led a movement to leave Africa.
DSlave traders left Africa uninhabitable and forced Africans to move elsewhere.

Verified Answer :

A major way that the Atlantic slave trade led to the African diaspora was that "A. Large communities of Africans developed in the countries where slaves were sold," since this is how the African American populations of the Americas came to be. 

Answer:

A. Large communities of Africans developed in the countries where slaves were sold.

Explanation: