Alternate history can be a lot of fun, it lets us play with a great deal of interesting ideas about what might have been. However in alternate history there are certain topics which just do not make any plausible sense and I am going to address one specific case here that I am very well versed in and cannot abide whenever I encounter it because of the level of implausibility involved in it.
Nazi Germany invades the United States.
Now to be clear, I am not bashing scenarios where the Americans say 'fuck this' and just decide to either not fight in the war or sign a peace deal with the Third Reich. Those cases are fine and do have a level of realistic plausibility in a number of scenarios.
I am specifically referring to scenarios wherein the Nazis directly invade the United States.
I'm not going to get into any of the usual army comparison nonsense that goes into these sorts of things and compare how much more advanced one side was over the other. That's what everyone does and almost uni