In my games it seems like there is a balance of who wins the ACW. I have seen CSA take it, I have seen PSA rejoin the USA when it was almost dead and come back to win, I have seen the States split between the AUS and PSA. But the weirdiest is my current game as Japan. At some point Canada declared war on the USA/PSA alliance and Canada now has almost all of the west coast and Texas. With the CSA and AUS still pounding away at each other. I was actually wondering if this was a mistake as I have never seen it happen before. But either way, GO CANADA!