> Those easy times of the 50s were created from the pains of the 30s and 40s.
Actually it was mostly created by the huge post-WW2 boom due to the fact that the US was quite literally the only country left standing, the only country not devastated by war, and the holder of much of the world's wealth in the form of gold reserves (collecting much of the gold that Europe had in store--you thought we did it for free?)
Not these days, but back then it did because the US dollar was backed by gold, so more gold meant the Fed could increase the money supply without devaluing the currency (==inflation).
Actually it was mostly created by the huge post-WW2 boom due to the fact that the US was quite literally the only country left standing, the only country not devastated by war, and the holder of much of the world's wealth in the form of gold reserves (collecting much of the gold that Europe had in store--you thought we did it for free?)