How would you describe the power of west Africa empires where does this power come from

Its power came, above all, from trade. empire's total area included nearly all the land between the Sahara Desert and the coastal forests. The 1599 battle of Djenné marked the effective end of the great Mali Empire and set the stage for a plethora of smaller West African states to emerge.

Explanation:

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no every country is held to the same degree as others just some member countries such as the usa and germany are more economically sound so the need to show there support to all others  

the answer is c. hope this