Answer:
c. The Islamic empire extended into North Africa.
d. The gold-salt trade brought Islamic Arabs into western and southern Africa.
Islam spread to Africa in the early 7th century. Nowadays, almost one-third of the world's Muslim population lives on the continent. As of 2002, Muslims constituted 48% of the population of Africa.
Islam first spread to Africa during the Kingdom of Aksum, when Muslims crossed current Djibouti and Somalia to settle in Eritrea and Ethiopia in order to escape religious persecution. Other factors that motivated its spread was the expansion of the Islamic empire into Northern Africa and the Akan gold-salt trade in West Africa.
The two factors that contributed to spread of Islam is Islamic empire extended into North Africa and the gold-salt trade.
Islam is a type of religion that is practiced by people and it has it origin form a prophet called Muhammad.
The religion spread through trading among individuals form one country to another and through visitation.
Therefore, The two factors that contributed to the spread of Islam in Africa is Islamic empire extended into North Africa and the gold-salt trade brought Islamic Arabs into western and southern Africa.
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