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the rapid developments in recording technology, the growing popularity of radio, and the burgeoning film industry.

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Boxing was popular too. Heavyweight champion Jack Dempsey was almost as famous as Ruth. Horse racing, golf, and tennis all had their fans. College basketball was still a young sport.

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The Tulsa race massacre, also known as the Tulsa race riot or the Black Wall Street massacre, was a two-day-long white supremacist terrorist massacre that took place between May 31 and June 1, 1921, when mobs of white residents, some of whom had been appointed as deputies and armed by city government officials,

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The assembly line helped Ford reduce labor costs within the production process by moving the product from one team of workers to the next

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crossword puzzles, mahjong, dance marathons, flagpole sitting, pogo sticks, yo-yo's, mini-golf, foreign countries, and health and fitness crazes, such as dieting and bodybuilding