Option 7 assumes that the states part of the CSA would at different intervals decide that rejoining the US is better then being a part of the CS.Options 7 and 8 go together.
A CSA would be a small power at best and the reason is industry and immigartion.
Before the war 90% of immigrants went to free states resulting in them developing much more industry than any slave state. This trend will not change after the USA recognizes CSA independance.
Why are you so sure about this? Did the U.S. get very involved in Canada? What are you basing this on?So even if the USA does not wage a cold or hot war against the CSA -I consider the USA not waging a cold war against the CSA highly unlikely- the CSA will hardly be able to expand westward. Furthermore US support for Mexico and Cuba is IMO guaranted if the CSA makes a move south.
they have the best air force because of Kitty Hawk being in the CSA
Canada wasn't a country that got its independance by defeating us in a war, its just a remnant of British power in NA. the CSA on the other hand, embarrassed the US by gaining its independence and taking a good portion of the US with it. and that's not going to be forgotten very quickly which means the US does whatever it can to make the CSA's life(at least in the early years) a living hell.Why are you so sure about this? Did the U.S. get very involved in Canada? What are you basing this on?
I don't think the CSA is going to get heavily involved in imperialism, but I certainly think it would be a regional power and have a serious voice on the world stage going forward. JMO.