The gold mines of West Africa provided great wealth and power to West African Empires such as Ghana, Mali, & Songhai empire. The king of Ghana started trading back in the 8th century.
I checked to make sure, and the answer is the coins.
Said the land occupied by the colonists belonged to the indians
Any source that is written with a strongly biased viewpoint would not be reliable. Something like a diary on the other hand would be reliable. Hope I helped!
