Answer:
The Mexican-American War, waged between the United States and Mexico from ... largely because northern political interests were against the addition of a new slave state. ... Congress declared war, despite opposition from some northern lawmakers.
Explanation:
Answer:
Nullification, in United States constitutional history, is a legal theory that helps to nullify, or invalidate, any federal laws which that state has deemed unconstitutional with respect to the United States Constitution.
If you are talking about the Revolutionary War, I believe that the French brought the Patriots supplies when they were in need.