Respuesta :
First, Arab traders came from Asia into North Africa. They moved across the Sahara into West Africa. Later on, other merchant traders came by boat to the east coast. Islam spread as ivory, salt, slaves, gold, and many other items were traded and sold.
Hope this helps :)
Hope this helps :)
Answer:
It all started when Arab traders came into North Africa then into Sahara into West Africa. Islam was spread when goods were sold and traded.
Explanation: