What did the Atlantic Ocean serve as by the 1400s?

What was the primary goal of Europeans traveling to Africa in the 1400s?A) 

Which two European countries competed to explore Africa's Atlantic coast in the 1400s?

What was the nature of early relations between Europeans and West Africans?

What role did African kingdoms play in early trade relations with Europeans?

Which of the following was NOT one of the three main vegetation regions in West Africa?

How were West African societies primarily organized?

What was one common characteristic of traditional West African religions?

What kingdom was known for its impressive bronze plaques and strong trade relations with the Portuguese? 

How did the concept of slavery in Africa differ from slavery as it developed in the Americas?