Please help me I don't undertand

Which is proper hierarchy or leadership roles in the senate from lowest to highest

Which statement about african americans during the civil war is true? o a. they were granted the vote in the north. o b. they were allowed to attend northern universities. c. they were given deeds to southern plantations. o o d. they enlisted in the union army.

Which best compares the organization of the biography or maria anderson and maria anderson sings