The United States Congress is specifically forbidden from some actions because the Congress might be wrongly influenced to make certain changes that can effect the general people of the country. The constitution might get affected and the country might lose the virtues on which the founding fathers created the constitution.
Most would say A but that doesn't matter because a lot of black people come from the south. I'd say it's because more of the HISTORY of the south.
A thing that is needed or wanted.
