Question

How do U.S. banks try to stop the downward decline of the stock market at the
end of October, 1929? Does it work?*

Answer 1

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Explanation:

Black Tuesday: October 29, 1929

Investment companies and leading bankers attempted to stabilize the market by buying up great blocks of stock, producing a moderate rally on Friday. On Monday, however, the storm broke anew, and the market went into free fall.