Mansa Musa was the greatest ruler of Mali. During
his reign he ?

Mansa Musa was the ruler of the Mali Empire in West Africa from 1312 to 1337 CE. Controlling territories rich in gold and copper, as well as monopolising trade between the north and interior of the continent, the Mali elite grew extremely wealthy.

du boi was considered a radical because he wanted the immediate end for segregation. the biggest different between him and booker t. washington is that, even though washington believed that segregation should be considered illegal, he did not believe at all that a law was needed to keep blacks away from whites and that this would be something natural (to have the races apart) for a long time until society adjusted, while du boi believe that agitation was the only way to end segregation.