We had a large common domain, already added by the several States for the common benefit of all; purchase and war might make large additions to this common domain; hence the power over existing and future territories, with the stipulation to admit new States, was conferred.
The instant the Government was organized, at the very first Congress, the Northern States evinced a general desire and purpose to use it for their own benefit, and to pervert its powers for sectional advantage, and they have steadily pursued that policy to this day.