The main reason was joining the Axis Powers, which earned them territory.
It makes sure you have the right to trial a trial, so you can't just be arrested prosecuted without a reason
Answer/Explanation
The document was a protest against the Tariff of 1828, also known as the Tariff of Abominations. It stated also Calhoun's Doctrine of nullification, i.e., the idea that a state has the right to reject federal law, first introduced by Thomas Jefferson and James Madison in their Kentucky and Virginia Resolutions.