"We used to eliminate Nazis, not invest in them."

US history is more complicated than that, and aside from those four years of hot war, more ambiguous.

Henry Ford was a big Nazi sympathizer, and the Apollo program was led by an actual card-carrying Nazi engineer with a history of overseeing slave labor in a concentration camp.

Which is not meant to defend Nazis, just correct the myth that the US was once somehow morally pure in this regard.