"The present viewpoint is that Stalin proved to be the most resolute leader, that the Soviet Union exerted undue influence in reshaping the map of postwar Europe, and that a war purportedly begun to defend the independence of small European nations ended up by sacrificing them. The question — did Stalin outwit and outjostle Roosevelt and Churchill — will remain one of the enigmas of the 20th century."
January 1, 1970
https://en.wikiquote.org/wiki/Joseph_Stalin