[quote=@Mihndar]
Edit: I honestly think you guys could form up as a sort of collaborative association like the SAC, potentially more integrated and centralized, and just do your own thing but you could also operate in joint Balkan League operations.
[/quote]

The problem with this is Serbia is basically a Fascist state that wants to take over Bosnia, Croatia, and Bulgaria cause South Slav Unity. I am not so sure the other balkan states would want to cooperate with Serbia for those reasons.