How did the rule of askia muhammad affect songhai?

Askia Muhammad was a ruler who came to power after defeating Sunni Ali's son. He organized his empire by splitting up Songhai into provinces. Askia Muhummad set up an organized tax system as well. During his rule Islam spread through the empire using Muslim Scholars. These scholars brought the idea of Islam to areas who had little contact with it. These scholars converted many into the Islamic Religion. Under his rule, the empire became a center of trade and learning. Askia Muhammad's rule ended when his son removed him from the throne.