Songhai, African Empire, 15-16th Century
… capital was at Gao, a city surrounded by a wall. It was a great cosmopolitan market place where kola nuts, gold, ivory, … trade and migrations. The Atlantic trade brought about great prosperity in this region. These states were known for … from their capital Abomey. Dahomey began emerging as a great power in the early 18th century because of the slave …