alternatehistory.com

While the sides in World War II seem to always be looked at as the Allies against the Axis. What appears to be skipped is that from Sept 1939 to June of 1941 there were in reality three side; Allies lead by the British Empire, the Axis and the Comintern/Soviet Union.

Both Britain and France were in the process of sending supplies and troops to assist Finland in the Winter War of 1939-40.

Is it possible for World War II to occur with these three sides fighting to the end of the war? What would cause an end of hostilities?
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