Which of the following is an example of the impact trade had on the people of Southern and Eastern Africa?

(1 point)
Southern Africans only use goods that are produced in their nation.
Those living in Southern Africa were isolated from the rest of the world.
Millions of people in East Africa speak a form of Bantu.
Eastern African practiced the same religion as their ancestors.

Millions of people in East Africa speak a form of Bantu.