After the crashing of stock markets in the US, the events that had taken place were putting limits on the money supply by the fed reserve system as well as a downfall in the rates of interest.
Option A is the correct answer.
The stock market crash happened in the year 1929 when the stock markets of the US collapsed badly and resulting in a huge economic crisis.
When the stock markets got crashed in 1929, then the supply of money got restricted by the federal reserve system and also it decreased the rates of interest on the borrowings in the year 1927. This gave rise to the era of the Great Depression from the year 1929 to 1939.
Therefore, the events mentioned in option A would occur after the stock market crash.
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