Cause & Effect Relationships for the Societies of West Africa Station 3 – West Africa Learning Centers (WS 5) Causes Effects 1. Ships sailed from African ports to Arabia and India. By 1500, Africa had been linked to the rest of the world for centuries. 2. The king of Ghana taxed all the gold and salt passing through his kingdom. He grew wealthy, paid for Army, built an empire. 3. Muslims wanted to convert Ghana’s people and control the gold trade. A Muslim Army conquered Kumbi Saleh, weakening Ghana’s power. 4. Mali was located farther south than Ghana. Better able to control gold trade on the Niger River. 5. The legend of Mali’s wealth spread to Europe. Europeans began to trade with Africa. 6. Moroccan forces invaded Songhai with cannon and gun powder. Moroccan troops quickly defeated the Songhai warriors. 7. Benin was located on main trade routes. It grew prosperous.