Plz me with #2 i'm not understanding it

Could anything have been done through compromise to stop it, or did it have to happen?

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.

What mountains did the first transcontinental railroad cross