The US constitution has amendments canceling amendments, more specifically the 21st repealing the 18th. Legally it is possible to repeal the 22nd, but the votes aren’t there… yet.
The New Deal was so popular that FDR was elected to four terms. The 22nd amendment was a reaction to that.
It begins by realizing that economics is also politics. The US ran out of indigenous peoples and lands to exploit, so it is turning inwards.
There are many books one could recommend. But an easy one to understand is: Irregular Army: How the US Military Recruited Neo-Nazis, Gang Members, and Criminals to Fight the War on Terror, this book was published in 2012. Whatever an empire perfects to crush other people, always sooner or later is used internally.