Who benefited the most from the new prosperity of the 1920s? who fell behind and lost ground in the economy of the 1920s? give specific examples for each?

During the 1920’s, United States economy boomed unprecedently. Every production was intended for the people of the United States. Electricity, cars, telecommunications are few examples of markets that boomed during that time. However, in the late 1920’s, United States was greatly affected by the Great Depression, due to stock market break down. The country was faced  with a large amount of unemployment