Following the conversion of north africans to islam, where did the deepest penetration of islam occur south of the sahara?
a. in the west african kingdoms of ghana and mali
b. along the east coast of africa
c. in namibia
d. along the southern coast of africa

I believe the correct answer from the choices listed above is option D. Following the conversion of North Africans to Islam, the deepest penetration of Islam occur south of the Sahara along the southern coast of Africa. Hope this answers the question. Have a nice day.