Which of the following most helped the spread of Islam into major empires in Africa? rituals and amulets natural resources libraries and universities trade networks

The most likely option among the given choices that helped the spread of Islam into major empires in Africa is the trade networks. Islam began to spread into Africa primarily through trade routes, as Muslim Arab traders ventured further south along the trans-Saharan trade routes from North Africa. This facilitated the exchange of ideas, including religious beliefs, between Arab traders and African societies, leading to the gradual adoption of Islam by many African communities.