Name three ancient ghana, mali, soghai these kingdoms traded

Ghana, Mali, and Songhai were three of the greatest western African trading states. Beginning with Ghana as early as 300 c.e. and ending with the conquest of the Songhai by Morocco in the 16th century c.e., they dominated the trade of gold, salt, and merchandise between North Africa and sub-Saharan Africa.

Explanation:

Ghana, Mali, and the Songhai Empire all had trade in common as the primary lifeblood of their civilizations. A succession of three great kingdoms came to power as their people, gained control of valuable trade routes in West Africa. Ghana was the first of these empires, followed by the kingdoms of Mali and Songhai. Historians think the first people in Ghana were farmers along the Niger River.

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the answer to this question is d