I have asked and asked. Where is it in the Constitution of 1861 the right to make war on states as did the outlaw Lincoln? And you no doubt will shrug your shoulders in bewilderment as the rest of the Democrats always do.
They left the union because of a number of reasons and owning humans to them was still a right then at the time approved by the Federal Government. Nope the Feds had made up their minds that slavery was legal. This is why they passed a law banning it. But prior to that ban, it was totally legal.