Why were the 1920s called the Roaring Twenties? a. It was an era of sweeping change and new forms of entertainment. b. The 1920s were an angry time in which the bear market on Wall Street roared. c. The economy grew quickly, fueled by women's desires for the latest fads. d. The New York Twenty, a group of 20 organized crime bosses, monopolized the nation's bootleg liquor.

a. It was an era of sweeping change and new forms of entertainment

Explanation:

The 1920s in the America was called Roaring Twenties because it was during this period that there was widespread change and defiance of old and established ways. People indulged in new styles of dancing and social culture, in the process rejecting old customs and societal standards.

Therefore, the 1920s were called the Roaring Twenties because it was an era of sweeping change and new forms of entertainment

d.

many people believed they were convicted solely because they were anarchists.

d. it adversely affected american productivity