Ghana, Mali, and Songhai ruled West Africa one after the other from 300AD to 1600AD. During the rule of these empires a developed between Europe and Africa.

Explanation:

Songhai, Mali and Ghana were medieval realms that flourished and declined in West Africa. These kingdoms primarily controlled trade through their vast deposits of gold and salt. The Ghana Empire, which rose in present-day Mauritania and Mali, preceded the Songhai and Mali …

for many centuries there were important factors which the economies of the muslim empires developed increasingly. they applied economic procedures in production, investment, finance, taxation and property. they used to tax certain goods (for example: harvest), they charged interest on money lent, they signed contracts with merchants; they relied on a common currency, and they used checks as well as promissory notes. with the money collected by means of taxation, the government provided the needy with an income. in addition, trading networks covered huge distances, so far regions started to have contact and exchange goods. this trade network covered areas of asia, africa and europe.