Answer:
By conversion and conquest, Islam spread across North Africa, into the eastern Horn of Africa, and even over the SAHARA DESERT into West Africa. The arrival of Islam had a major impact on the political and social development of those regions, and it remains a significant force in Africa today.
Islam had a great impact on the culture of North Africa. It affected the way people lived including their government, trade, and education. The religion of Islam began in the Middle East during the early 600s CE. ... As a result of Arab rule, many northern Africans were converted to Islam.
Following the conquest of North Africa by Muslim Arabs in the 7th century CE, Islam spread throughout West Africa via merchants, traders, scholars, and missionaries, that is largely through peaceful means whereby African rulers either tolerated the religion or converted to it themselves.
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