The USA has already started a long-term decline. Peak was 1998/1999 if you go by peak productivity and real GDP/capita.
Unfortunately, not much can be done. We're in a situation similar to that of the British Empire prior to 1915.
Unfortunately, not much can be done. We're in a situation similar to that of the British Empire prior to 1915.
It took Considerable Doing ( and a lot of John Wayne movies ) to sell WWII to the mothers of America. And you know what? One grandmother had one son of five serve in WWII and two serve (in Germany) after. One in the early '50s, the other in the '60s.
The sort of American Exceptionalism that emerged after WII was ( I would say ) completely unknown prior.