Answer:
the stock market-black tuesday oct 29 1929
-the situation of farmers-demand for food goes down after WWI, prices went down, farmers over produced, could not pay back loans and land was lost
-banks and businesses- loans not paid back and banks failed, people began spending less on consumer goods
-personal income and debt-income gap between rich and poor increased.
-stocks bought on margin
-speculation
-holly smoot tariff: made GD worse
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