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7.6 1920s: Innovations in Communication and Technology

Part of Period 7: 1890–1945 in AP® US History. Read the opening section, then create a free account for the full interactive lesson, practice, and progress tracking.

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The 1920s was a decade of transformation, driven by the rapid spread of new technologies that reshaped how Americans lived, worked, and imagined the future. The rise of the automobile industry symbolized this change. Henry Ford made cars affordable for ordinary citizens through the assembly line. Automobiles redefined mobility, encouraged suburban growth, and transformed patterns of leisure and labor.

In this unit

13 lessons

  1. 7.1Imperialism: DebatesPreview lesson
  2. 7.2The Spanish-American WarPreview lesson
  3. 7.3The ProgressivesPreview lesson
  4. 7.4World War I: Military and DiplomacyPreview lesson
  5. 7.5World War I: Home FrontPreview lesson
  6. 7.61920s: Innovations in Communication and TechnologyThis lesson
  7. 7.71920s: Cultural and Political ControversiesPreview lesson
  8. 7.8The Great DepressionPreview lesson
  9. 7.9The New DealPreview lesson
  10. 7.10Interwar Foreign PolicyPreview lesson
  11. 7.11World War II: MobilizationPreview lesson
  12. 7.12World War II: MilitaryPreview lesson
  13. 7.13Postwar DiplomacyPreview lesson

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