The American identity is mind-bogglingly various.
Political rights notwithstanding, 'freedom' rings awfully hollow when you're getting nickel-and-dimed to death in your everyday life.
If you want to see a bunch of happy Americans, go out to opening day at any baseball stadium in the land.
Upward mobility across classes peaked in the U.S. in the late 19th century. Most of the gains of the 20th century were achieved en masse; it wasn't so much a phenomenon of great numbers of people rising from one class to the next as it was standards of living rising sharply for all classes. You didn't have to be exceptional to rise.
The Gilded Age robber barons - the Goulds, the Vanderbilts, the Morgans and Rockefellers - did quite well under laissez-faire. Most of the rest of Americans were still stuck in the ditch, with little to no economic security, life expectancy of roughly 45 years, and horrific infant mortality rates that claimed 300 babies per 1,000 in the cities.
From the start, Trump's rallies had the air of the tent revival, that same hot thrum of militant exorcism and ecstasy.