If the US had just stayed out of WWI
It seems the blood of American's (in two world wars) for the sake of pathetic Western Europe was all in vain. Could it be America staying out of WWI would negate a future Hitler and fury of Germany? Eastern Europe gets it having shed the Communists not long ago and know the Muslims are not compatible with Western Civilization as a whole.
Pick the poison: The German Empire under Wilhelm or the ex Stasi b*tch Merkel and her Jihad Muslims. Hindsight upon history can be peculiar.