All caused by unscrupulous banksters.
Banks can be good, but most were not cuz of grifters running them.
The fedres claimed it was needed to prevent booms and bust depressions, then immediately created the largest boom, and bust, our nation USA ever endured.
Revoke it's privately owned anonymously owned charter to counterfeit our currency and return to gold and silver backed US Treasury note currency and our nation would prosper beyond the wildest dreams. . That's what JFK was begging to do and someone murdered him over it.
The bankers were not at fault. Astonishingly bad economic and public policy were to blame.