If the South wins, America balkanizes.
Here is a summary of D-Day: Field Marshall Montgomery led UK and Commonwealth forces into France supported by state militias who couldn't agree on a common commander.
July 20th, 1969, doesn't happen.
The super power on the North American continent is Canada, followed by California. All the other states must follow and now have no say in the matter.
But on the south side had won, how would the United States set out today.
I do not mean that you have had slavery remains.
This is the most playing with the idea to ask how would it looked like today, or how would the world was like.
Ann