No, which is why three of those states emancipated before the end of the war, and the other two had it forced on them by 13A.
If I were a Judge in a court, I would say "untimely."
What they did after they invaded, cannot be used to justify their invasion. You can't claim moral absolvance for something you did in 1861 by what you later did in 1864.
When they initiated hostilities, they were just as guilty of a Nation as those whom they later condemned.
But writers of History books have flushed a lot of hypocrisy down the memory hole.