Which of the following was an important impact that Mansa Musa’s Hajj had on Mali?

One of the important impacts that Mansa Musa's Hajj had on Mali was the promotion of Islam. During his pilgrimage to Mecca in 1324-1325, Mansa Musa showcased to the Muslim world the wealth and power of Mali. This brought Mali into the global Islamic community, increasing its prestige and encouraging the spread of Islam within the kingdom. Mansa Musa also brought back Muslim scholars and architects from the Middle East to Mali, contributing to the development of Islamic education and the construction of numerous mosques and Islamic institutions. Additionally, Mansa Musa's Hajj led to increased trade and diplomatic relations between Mali and other Islamic states, stimulating economic growth in the kingdom.