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Unit 7: Period 7: 1890–1945

1920s: Innovations in Communication and Technology

Explain how the assembly line, electricity, cars, radio and movies built a consumer economy and a national mass culture in the 1920s, and who was left out.

Topic 7.7 · 14 min read

This lesson comes with the AP United States History plan

In this lesson

  1. 01Mass production: the moving assembly line and electric power
  2. 02The automobile remakes daily life
  3. 03Buying on credit and selling desire
  4. 04Radio and the movies: a national culture
  5. 05Limits of the new prosperity
  6. 06Worked examples
  7. 07Where students lose points
  8. 08On the exam

The first units’ lessons are free. The plan opens every lesson, every practice question with worked solutions, your study plan and calendar, for $14.49 a month. Cancel any time.

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