I always find it amusing when you all refer to a cause motivated by the desire to ensure a significant percentage of your population in bondage as an "independence movement". More like an "independence to deny independence movement."
Which the Union did as well, and had no intentions of stopping.
Here is where you keep insisting on your DISHONEST argument about what the fight was about. You repeatedly keep dragging up the word "slavery" to justify what your side did, and you keep ignoring the evidence that they didn't really do what you are claiming.
Under the US Laws of 1860, The Free Population had rights, and the slave population did not. This sorry state of affairs was recognized and accepted by all parties involved, yet you keep insisting on using 2015 morality to condemn what were the norms of that time period, and trying to argue these 2015 mores were what motivated them.
Again, this is intellectually dishonest. It is a deliberate forced anachronism for the purpose of rationalizing your position.
The non independence of Slaves was recognized in fact, by Thomas Jefferson, if not in words. Yes, the Declaration referred to "All men are created equal", and that is in fact what triggered the abolition movement but in practice, none of the founders applied those principles to slaves. If any of them had believed they applied to slaves, they would have set them free instead of continuing to hold them in bondage.
According to the law of that time, the principles in the Declaration did not apply to slaves. It's ugly, but they just didn't.