What was the fundamental question addressed in each of these Congress acts?

Should the US expand westward
Should stage be allowed to nullify federal laws
Should slave labor be allowed in new states?
Should states be able to secede from the union

The fundamental question addressed in each of these Congress acts were:

- In the act regarding the expansion westward, the question was whether the US should expand its territory to the west.
- In the act regarding the nullification of federal laws by states, the question was whether states should be allowed to reject or invalidate federal laws within their borders.
- In the act regarding the allowance of slave labor in new states, the question was whether the practice of slavery should be permitted in the newly admitted states.
- In the act regarding the secession of states from the Union, the question was whether states should have the right to leave the United States and form their own separate government.