Which statement best completes the timeline? Mansa Musa
spreads Islam
throughout
Africa.
Timbuktu
becomes an
important center
of learning
European
colonists
conquer
western Africa.
Westem African
countries fight to
become
independent
A. The Kingdom of Mali gains power by capturing and selling slaves.
B. The Kingdom of Ghana becomes a wealthy trading power.
C. The Songhai Empire introduces Islam to western Africa,
D. Nigeria establishes the first democracy in western Africa.