In my never-ending perlustration of the question: WTF happened to the Left in Amerika?,
I have been doing a lot of reading about the time-period between the Big-Wars.
An interesting and revealing event happened in Boston in 1919. A major, bloody, Police Strike.
Lots of ironies here. Police are usually the one’s working against Strikers. This was different. Worth a listen. I started the vid at 12 min mark: