Final answer:
Ghana and the Songhai were trading kingdoms of West Africa known for their extensive trade networks and wealth.
Step-by-step explanation:
The best description for Ghana and the Songhai is trading kingdoms of West Africa. Both Ghana and Songhai were powerful empires in West Africa known for their extensive trade networks and wealth. They controlled and profited from the trans-Saharan trade routes, which brought goods such as gold, salt, and slaves.
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