Answer:
Mansa Musa developed cities like Timbuktu and Gao into important cultural centers. He also brought architects from the Middle East and across Africa to design new buildings for his cities. Mansa Musa turned the kingdom of Mali into a sophisticated center of learning in the Islamic world. He took control of the gold and salt trade, helping Mali to become rich and powerful. Sundiata established the city of Niani as the capital of the empire. From Niani, he ruled for 20 years keeping peace in the region and expanding his empire. Sundiata died in 1255.
Explanation:
