What was the most influential religion in the Songhai Empire?

The most influential religion in the Songhai Empire was Islam.

Explanation:

The Songhai Empire was a state located in West Africa. From the beginning of the 15th century until the end of the 16th century, Songhai was one of the largest Islamic empires in history. This empire bore the name of its main ethnic group, the Songhai. Its capital was the city of Gao, where a Songhai state had existed since the 11th century. Its power base was located on the margin of the Niger River, in the current Niger and Burkina Faso.

to extend a country’s power and influence