What was the primary cause of the changes to the unemployment rate in the united states in 1920 and 1921?
-the effects of demobilization
-the impact of the red scare
-the passage of th emergency wuota act
-the bolshevik victory in the russian civil war

john maynard keynes developed new economic theories in response to the stock market crash of 1929. great depression of the 1930s. first and second world wars. economic boom of the 1950s.

several states had passed similar laws, but they were limited to intrastate businesses. the sherman antitrust act was based on the constitutional power of congress to regulate interstate commerce.

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