What was Askia Muhammad greatest achievement?

Askia Muhammad's greatest achievement was his establishment of a centralized and prosperous empire in Songhai during the late 15th century. He implemented significant administrative reforms, expanded trade networks, and promoted education and Islamic scholarship, particularly in the city of Timbuktu. His leadership transformed Songhai into one of the largest and most powerful empires in West Africa, fostering cultural and intellectual advancements that left a lasting legacy.