Except not.
Lincoln's position was that, having been joined into the Union, no individual state, or group of states, could constitutionally succeed from the Union without a majority vote of the other states, which none of the Southern States could muster.
And, leaving the Union so you could continue to own other people and treat them as property was at best morally reprehensible, and at least a good reason to get your asses handed to you.
