What's the name given to the power of the supreme court to rule as unconstitutional laws passed by congress

The north was victorious in the battle of bull run true or false

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.

Who were the original knights of labor?