History: American Civil War (1861-1865)

While one or more of these interpretations remain popular among the Sons of Confederate Veterans and other Southern heritage groups, few professional historians now subscribe to them. Of all these interpretations, the state's-rights argument is perhaps the weakest. It fails to ask the question, state's rights for what purpose? State's rights, or sovereignty, was always more a means than an end, an instrument to achieve a certain goal more than a principle.
Slave power
Antislavery forces in the North identified the "Slave Power" as a direct threat to republican values. They argued that rich slave owners were using political power to take control of the Presidency, Congress and the Supreme Court, thus threatening the rights of the citizens of the North.