How does fitzgerald emphasize the mood and reinforce the theme of the roaring twenties?

The mood and theme of the Roaring Twenties was emphasized by using elements of the Roaring Twenties that were prevailing during that era such as speakeasies and Roaring noon.  

Explanation:

Roaring twenties was the time of economic prosperity, wild youth and parties. The 1920s was an era of political, economic and social changes in America. With the rise in the economy, Americans became an affluent consumer society.

In the novel "The Great Gatsby" written by F. Scott Fitzgerald, the author had portrayed the theme of Roaring Twenties in many ways:

about the letter or who wrote the letter

what gradee ya in so we can do it im 8th grade

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