Question

What caused many Africans to move north and south of the Sahara around 2500 B.C.E.?

Answer 1

The answer is A. the sahara began to dry out

Answer 2

The change of climate was mainly responsible or caused many Africans to move north and south of the Sahara around 2500 B.C.E. Actually Sahara at that point of time became more dry and the temperature also started increasing. I hope the answer comes to your help.