+1
Especially if the south sued for peace once they had the military advantage. Some kind of spiritual hubris operating at that time.
South wouldnt have won
Like i said they left for a huge morally wrong reason that pretty much wiped out any potentially vald reasons they might have argued.
But sure the side winning can always put out a peace offering. Whether or not its taken, probably not. The other side would see it as a weakness, and it might be. Stuf may be stretched too thin, or running out of funds, fighters, fuel, ...