upon the Wilmot Proviso
             which expressed the view that Congress had not only the right but
             also the responsibility to prohibit slavery. The Northern view
             was also based upon the very constitution itself which said that
             Congress has the power to "make all needful Rules and Regulations
             respecting the Territory... belonging to the United States."
             Calhoun presented his ideas to Congress, telling them
             that the territories belong to the states and since Congress is
             merely the agent of the states, it has no right to prohibit
             ...