Mansa Musa's pilgrimage projected Mali's enormous wealth and potentialities that attracted more and more Muslim traders and scholars. These Muslim scholars and traders contributed to the cultural and economic development of Mali. It was during his reign that diplomatic relations were established with Tunis and Egypt, and thus Mali began to appear on the map of the world.
In the frontier of Songhay in the 15th century, under the leadership of Sunni 'Ali, who ruled between 1464-1492, the most important towns of the Western Sudan came under the Songhay Empire. The great cities of Islamic learning like Timbuktu and Jenne came under his power between 1471-147