The New Deal occurred before WW2 as a way to simulate things out of the Great Depression. Turns out war is even a bigger economic stimulus package than social programs.
* https://en.wikipedia.org/wiki/New_Deal
> and the military industrial complex...
Actually, the US did:
* https://en.wikipedia.org/wiki/Demobilization_of_United_State...
Then the Korean War happened:
* https://en.wikipedia.org/wiki/Korean_War
It turns out the Communists were expansionist and needed a counter-weight in influence.