How did the african gold-salt trade influence african societies during the postclassical era?

Gold and salt were Africa's most valuable resources. Taxes were enforced on merchants who went on trade routes which made the kingdoms very wealthy. Arab merchants in North Africa introduced the religion of Islam to native Berber-speaking peoples. Berber traders then brought the religion south with them across the Sahara.

Explanation:

answer; /// i do believe that the correct answer is (a); a farming tribe that settled primarily along the mississippi and arkansas rivers;

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~coco