Even in 1832 there were those in the South who confessed that the tariff was only a battlefield, not the war. If they did not fight their ground and … - William C. Davis

Southern states had embraced the Union only insofar as it served to protect their rights to hold property in slaves, and to spread slavery as the nation expanded and the institution itself became intertwined as a defining element in the struggle for national power itself. In slavery could not spread as new states were formed, then the existing slave states would be doomed to perpetual minority in representation in Congress, guaranteeing that if the day came when Northern antipathy to slavery itself became hot enough, the majority could use the government to subvert the Constitution and abolish the institution where it already existed. In short, the South could not affort to lose any battle over slavery, nor even over issues on its periphery.

All peoples part with their myths reluctantly, and historians are at some risk when they try to dismantle those of the Confederacy.

To the old Union they had said that the Federal power had no authority to interfere with slavery issues in a state. To their new nation they would declare that the state had no power to interfere with a federal protection of slavery. Of all the many testimonials to the fact that slavery, and not states rights, really lay at the heart of their movement, this was the most eloquent of all.