What contributed to the success of the kingdom of mali

Mali's people wealthy because Miners found new gold deposits farther east, which caused the most important trade routes to shift eastward. Mali's founders were Mande-speaking people, who lived south of Ghana. Mali's wealth was built on gold. When miners found new gold deposits farther east and the most important trade routes to shift eastward, this caused the Mali people to become wealthy and powerful.

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a. men

and during later times male slaves as well