> The 1920's gilded age was fueled by fiat money, the greenback.
So-called fiat money didn't become a thing until after FDR became president, which was after 1932.
> The 1920's gilded age was fueled by fiat money, the greenback.
So-called fiat money didn't become a thing until after FDR became president, which was after 1932.
> Greenbacks … a form of fiat money
https://en.wikipedia.org/wiki/Greenback_(1860s_money)
I think at this point you should read a bit more about the antebellum period.