I'm not sure if Churchill could survive a political backlash, with Russia now at peace with Germany granted one hell of a fragile peace. Churchill would had a heck of a hard time to stay in office, as some political persons could use this as a opportunity to throw a spanner in the works resulting in a possible political change.

From the American point of view would America turn up the heat on the political front and call for some sort of cease fire? Another issue here or so would the plotters against Hitler gone ahead with an assassination attempt?

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Regards, Richard