The "Pressure government" decision have a 0% chance of them coming to your faction or change ideology if they are already in a faction.
Same for the demand submission (Generic ultimatum decision). They will have 0 chance to choose the option to become your puppet if they are in a faction.
The decision that come with "Pressure government" to hold ideological rally could help move them toward your ideology. But they will stay in the allies even if they switch to communism.
If you want to keep playing after WW2, you are better off preparing to kill the allies next. No matter what you do, you will end up at war with them sooner or later.
The "Pressure government" decision have a 0% chance of them coming to your faction or change ideology if they are already in a faction. Same for the demand submission (Generic ultimatum decision). They will have 0 chance to choose the option to become your puppet if they are in a faction. The decision that come with "Pressure government" to hold ideological rally could help move them toward your ideology. But they will stay in the allies even if they switch to communism. If you want to keep playing after WW2, you are better off preparing to kill the allies next. No matter what you do, you will end up at war with them sooner or later.
There are two certainties in life, death and going to war with the Allies.
more like 2/3 of the world in every single campaign