Which of the following did the Arab muslim traders on the east African coast do?

As in North Africa, trade was a powerful strand in the conversion of people to Islam. East Africa offered gold, ivory and slaves, and later on very fine woven cotton. In return, traders from the East and Persian Gulf brought textiles, spices, porcelain and other finished goods

Explanation: hope this helps :)

the answer to this question is the third option. hope this