Easy they are tired of the jim crow laws so they move 2 the urban cities to find jobs and 2 get away from the south its called a push and pull factor
<span>In Islamic buildings, vaulting follows two distinct architectural styles: Whilst Umayyad architecture continues Syrian traditions of the 6th and 7th century, Eastern Islamic architecture was mainly influenced by Sasanian styles and forms.</span>
Mansa Musa came to power for 50 years after Sundiata restored the wealth of Mali. In the 1300s, he conquered the Songhai kingdom. Muhammad chose the titles of Askia the Great. He was a devoted Muslim as well as Mansa Musa and they both supported education and learning. Mansa Musa had added important trade routes to cities including Timbuktu, Djonne, and Gao, adding them to his empire. Under Askia the Great, both Gao and Timbuktu flourished.
I think it's D but it might be C
