how do the Roaring Twenties develop over time?

Explanation:

The roaring 20s developed over time because they went from a great time of celebration and joy because the country was prosperous after the war to a sad time because of the great depression where lots of people were out of work and the stock markets crashed. It went from a happy time to a depressing time. :)

answer; /// the correct answer to the above statement is (a) because of the decline on native american labor forces;