What effects did the rule of mansa musa have on mali and west africa?

The answer to the question above is the Mali Empire became the world's largest producer of gold and Mansa Musa spread the Islam on Mali Empire.
The effects of Mansa Musa's rule on Mali Empire and West Africa is the Mali Empire became the world's largest producer of gold. He also spread the Islamic religion on Mali Empire and he made a pilgrimage to Mecca.

B. marbury v madison