If the South won the Civil war?

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I've been thinking alot about various historical events and what would have happened if certain events were to be changed. Basically alt universe stuff I guess.

Anways my latest one is what if the South had won the civil war. I'll define "won" and battling the North to a stalemate at which point a situation similar to North/South Korea is set up. I would be interested to read what some of historical differences some of the deeper thinkers think would have occurred. I'm looking for stuff beyond just slavery into events like the World Wars, Word Economy today, race relations today, and the US influence around the world.