I agree with the other person - Sunni Ali was the leader of B. Songhay. He was actually its first king, and ruled in the 15th century. He was an important African ruler who practiced both Islam and African religion of animism. He conquered Mali as well as many other areas in Africa, which only strengthened his empire.
The biggest problem with the Homestead Acts was the fact that the size of the homesteads — 160 acres — was far too small to allow for the landowners to succeed as independent farmers.