Conversation so far:
what era is the great gatsby set in
Written in 1925, The Great Gatsby is one of the greatest literary documents of the Jazz Age.
How was the Jazz Age defined?
The Jazz Age is often referred to in conjunction with the Roaring Twenties, and in the United States it overlapped in significant cross-cultural ways with the Prohibition Era.
Why was the Roaring Twenties called the Roaring Twenties?
Called “roaring” because of the exuberant popular culture of the decade, the Roaring Twenties was a time when people defied prohibition, indulged in dancing and dressing, and rejected moral standards.
Did the Roaring Twenties end with the enactment of Prohibition?
The Wall Street Crash of 1929 ended the era, as the Great Depression brought years of hardship worldwide.

Question: did the depression only affected the United States?
Self-contained rewrite: Did the Great Depression only affected the United States of America?