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alternatehistory.com
Here's the challenge.
With any PoD after November 1939, have WWII end with a Soviet bloc that only contains the northern tier of the old Warsaw Pact, USSR, Poland and East Germany, with the other OTL Warsaw Pact members not under Soviet occupation or control. Like this map:
Alternatively, with any PoD after November 1939, have WWII end with a Soviet bloc that only contains the eastern tier of the old Warsaw Pact, USSR, Romania and Bulgaria, with other OTL Warsaw Pact members not under Soviet occupation or control. Like this map: