PLEASE help answer these questions!!! a. When did slavery in Africa begin?

b. Who captured most of the African slaves that were sold to Europeans?

c. How did the slaves' treatment by Europeans compare to their treatment by other Africans?

d. Describe the Middle Passage.

c

Explanation:

interdependence is when all participating groups and individuals depend on each other. if you depend on one anothers goods, you end up trading in order to get the items you're looking for. (for ex: if i have food and you have water, we trade in order to depend on each other to live)

2018 means 2018 ce or common era

there have been other eras too including bce, which included way more years.