Final answer:
Mansa Musa was a remarkable ruler of the Mali Empire, expanding its borders and promoting Islam for the kingdom's unity and stability.
Step-by-step explanation:
Mansa Musa was a significant ruler of the Mali Empire during the 14th century. He expanded the kingdom's borders and forged ties with other Muslim lands, which contributed to the economic and cultural growth of Mali. However, he did not expand Mali's borders to the Atlantic Ocean. Moreover, Mansa Musa's conversion to Islam and his promotion of Islam among his subjects did contribute to the unification and stability of the kingdom.
Learn more about Mansa Musa's reign and achievements in the Mali Empire