The only reason the Left in this country was in favor of getting involved in WWII was that Poor ol’ Uncle Joe Stalin was under attack. Otherwise when were they for us helping anybody in the past hundred years???
While living I cannot personally remember the immediate period before Hitler invaded Russia. I was simply too young. However, my folks remember the left supporting Hitler then having a 180 degree turn about upon Hitler’s invasion of Russia. This sudden change in behavior by the Communists alienated a lot of fellow travelers.