Answer:
This trade helped strengthen city-states. In west African civilizations like Ghana and Mali, a major trade route was the gold-salt trade route. Ghana had a surplus of gold, and Mali had a surplus of salt.
Axum exported ivory, incense, and enslaved people. It imported cloth, metal goods, and olive oil. Axum fought Kush for control of trade routes to inland Africa.
Step-by-step explanation:
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