The Roaring Twenties is one of the most colorful eras in U.S. history. Bordered on one side by the end of World War I (1914–18) and on the other side by the Great Depression (the severe economic downturn that began in 1929 and lasted until the early 1940s), this short period would later be remembered by historians largely as a time of excitement and fun. It was the decade, after all, when daring young women called flappers danced the Charleston, and Charles "Lucky Lindy" Lindbergh crossed the Atlantic Ocean in a tiny airplane. It was a time when the economy was strong, and many had extra money in their pockets. Yet this was also a period of changes. Some of these changes, such as advances in technology and medical care and new freedoms for women, were welcomed by many people. There were others...