Question

which of these events occurred first?
o the fall of the songhai empire
o the fall of the mali empire
o the introduction of islam into west africa
o the entrance of portuguese explorers into african territory

Explanation:

Islam began spreading into West - Africa as early as the 7th - 8th centuries through trade routes. The Mali Empire fell in the 15th century, the Songhai Empire fell in the late 16th century, and Portuguese explorers entered African territory in the 15th century.

Answer:

the introduction of Islam into West Africa