The document primarily subtly amends arguments from the 1798 Virginia Resolutions.

The general purpose of the Report was the affirmation and expansion of the principles in the Virginia Resolutions.

The Virginia Resolutions of 1798, written by Madison, did not mention nullification.

The Virginia Resolutions did not explain what form this "interposition" might take.

The Report of 1800 affirmed and defended the Virginia Resolutions.

In the Virginia Resolutions of 1798, Madison did not describe the form or effect of interposition.

The Virginia Resolutions contemplate joint action by the states.

The Virginia Resolution did not refer to "nullification", but instead used the idea of "interposition" by the states.

The Virginia Resolution did not indicate what form this "interposition" might take or what effect it would have.

The Virginia Resolutions appealed to the other states for agreement and cooperation.