The west african empires of ghana, mali, and songhai were very rich because of the: slave trade gold and salt trade diamond and weapon trade

Option: Gold and Salt Trade

Explanation:

The trade of Gold and Salt was the reason for the richness of Ghana, Mali, and Songhai. They were the great trading states of West Africa. Throughout their period of existence, they dominated the trade of Gold, Salt between North Africa and Sub- Saharan Africa. The Famous city of West Africa was Timbaktu and it was famous for production of books.

gold and salt

Explanation:

Because they are the most hardest things to find anywhere else in africa mainly in the northern regions of africa their is more salt. Gold because its is  big thing t find its expensive and show that you are a higher class

it would have to be gasioline

he sent troops to protect the students as they entered the school.