History is fascinating, but stay out of the way. It can run you over.
The only thing we learn from history is that our species has periodic stupid seasons. The last before the current one was 1914-45.
If you had told me when I was a graduate student that by the time I was my parents' age there would be a right wing money-laundering Republican Russian agent in the White House and that the American left was supporting the FBI and the CIA, I would have asked you what are you smoking and can I have some.
Fascism is like a drag queen. It dressed up in new clothes every generation.