The technological advances of the beginning of the century continued to impact lives in the 1920s. Henry Ford (1863–1947) had improved his assembly-line techniques to produce a Model T every ten seconds by 1925. Automobiles were more affordable than ever: Some models sold for as little as $50. By the end of the decade, 23.1 million passenger cars crowded the streets of America. Telephones were in 13 percent of American homes by 1921, and American Telephone and Telegraph (AT&T) had become America's largest corporation by 1925.
New technologies continued to change the way people lived in America......
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