SageBrush
REJECT Fascism
I want to add one more detail:WWII killed off enough Americans to sop up the excess labor, and the US did not suffer the infrastructure and industrial damage of its rivals. The New Deal arrested the downward spiral.
After the war the US had a huge captive market for its goods for the better part of a decade while the war torn countries were rebuilding their infrastructure. If the US involvement in the Euro war was just a cold, Machiavellian calculation, it was brilliant.