How did the Ghana Empire expand its power, territory, and wealth?

Rapidly growing trade brought a lot of wealth and power to West Africa, just as the Ghana Empire was getting its start. The Ghana Empire, in particular, grew rich from the trans-Sahara trade. It certainly helped that the empire had control over the three major gold fields to the south of them.

they grew rich from the trans-Sahara trade

Explanation:

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hutus would be your answer.

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