How did trade impact the development of early African societies?

How do private property rights serve as an incentive in a free enterprise economy ?

Brainliesttt !me : ) what brought about the end of the soviet union?

How were the okanogan highlands formed? a. by subduction, which caused huge folds in earths surface b. as a result of retreating glaciers carving great valleys into the earth c. when molten rock from under the earth approached the surface d. when the collision of volcanic island chains and ocean rocks formed new earth