It highlighted the sectional issues that divided the nation.
It put an end to the debate over states' rights.
The “nullification crisis” challenged the federal government's right to impose its own laws. A war was imminent.
These tariffs had been established to protect factories in the northern states against foreign competition. Southern farmers thought this was unfair.
Andrew Jackson, the president of the United States, issued a proclamation in which he warned that South Carolina's rejection of federal tariffs was an act of rebellion that could end in bloodshed. South Carolina responded promptly in preparation for war.