The causes of the great depression are:
A large number of banks went bankrupt at the beginning of the crisis after the end of the First World War
collapse in investment rates; Then the financial liquidity began to decline, and then the depression began to pervade the country.
An imbalance between supply and demand ratios, as many factories were bankrupt, and goods, commodities and products were spoiled
Major collapses in the American stock market during the 1920s, which led to a sharp decline in stock prices and caused more bankruptcy and unemployment.,