I say yes.
This isn't a rebellion, because they didn't rebel. They merely stole a piece of land from the rightful owners of that land and deluded themselves into thinking that they still ruled the south. Simple as that.
The Confederate States of America is too cocky anyways. Never liked them.
Also, they lost fair and square. The only way they could have won is if the British had helped them as they wanted to.
Of course, I could see it otherwise. They elected independence, so obviously, most people there don't want to be part of the Union.