Answer:The stock market crash of 1929 was one of the worst declines in U.S. history.
The three key trading dates of the crash were Black Thursday, Black Monday, and Black Tuesday. The latter two days were among the four worst days the Dow has ever seen, by percentage decline.
The overconfidence in stock market investments during the Roaring Twenties created an unsustainable asset bubble.
Overnight, many people lost their businesses and life savings, setting the stage for the Great Depression.
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