Vhat was one major cause of the Great Depression?

The stock market crash of 1929 touched off a chain of events that plunged the United States into its longest, deepest economic crisis of its history. It is far too simplistic to view the stock market crash as the single cause of the Great Depression. A healthy economy can recover from such a contraction

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the graphs indicate that few people in bolivia work in industry, as that is the least expressive sector shown in the respective graphic.