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 need the answer too man

during the 20th century, the role of the vice president has evolved into more of an executive branch position. now, the vice president is usually seen as an integral part of a president's administration and presides over the senate only on ceremonial occasions or when a tie-breaking vote may be needed.