What events in the United States began the economic crisis?

The following reasons for the economic crisis in the United States can be distinguished:

1) Total unemployment;

2) Overproduction, which arose due to a major world conflict;

3) Negative consequences of the First World War;

4) Cyclical development of capitalist states.

So in the years 1929-1933 – are characterized in the history of the United States as the years of the Great Depression. The economic crisis was accompanied not only by unemployment and overproduction, but also by loss of housing, as well as inflation and major civil strikes.