Other countries have been through similar cycles at different times. Note also that this cycle is most clearly evident in middle class societies, but is certainly not restricted to such. Model T Car Biggest thrill was to drive at 40kph down a farm road, with bootleg beer. Not really a thrill seeking generation. Security found in big organisations and staying in the same place for a long time.
Hard work is the key to success.
They did not only beat Germany, but they crushed it. Things are black or white - very little grey is allowed. Life is competition. Mobility Before the war, most people live, worked and died near their place of birth. Today most people don't.