Respuesta :
Over time, the slave trade became even more important to the West African econo- my. Kings traded slaves for valuable goods, such as horses from the Middle East and textiles and weapons from Europe. The trans- Saharan slave trade contributed to the power of Ghana, Mali, and Songhai.
Answer:
Using trade to gain wealth, Ghana, Mali, and Songhai were West Africa's most powerful kingdoms. 1. West Africa developed three great kingdoms that grew wealthy through their control of trade.
Explanation:
So basically based on what I read this means that the king at that time ummm developed the different kingdoms and was basically more interested in trade which made him rich, hopefully this makes sense