You keep repeating this same nonsense time and time again despite being well aware it was far more complicated than you present as most know.
What about ?
The speculative boom of the 20's/stock purchases on margin ? The Great Crash of '29 ? Oversupply and over production issues ? Low demand and high unemployment ? Big mistakes by the Federal Reserve ? Inadequate Government response ? Ill timed tariff protection ? Bank failures ? Drought conditions ? etc etc etc.