The checks in the box are all powers that the branch has over the branch.
A.
judicial, legislative
B.
executive, judicial
C.
legislative, executive
D.
judicial, executive

missouri compromise of 1820 which prohibited slavery

necessary and proper clause. the congress shall have power to all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states, or in any department or officer thereof.