Why was the 1920s called roaring twenties

Because of the exuberant, freewheeling popular culture of the decade. The Roaring Twenties was a time when many people defied Prohibition, indulged in new styles of dancing and dressing, and rejected many traditional moral standards.

the growing interconnectedness of the world through communication, trade, and the exchange of ideas is an important theme in the history of the 20th and 21st centuries.

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