8m left·0%
Reading Time: 8 min
Last Updated: September 3, 2026
Main Ideas: 5
Reading Time: 8 min
Last Updated: September 3, 2026
Main Ideas: 5

Topic 7.8 Notes – 1920s: Cultural and Political Controversies

Verified for 2027 AP® U.S. History Exam
Read aloud
By the 1920s, the United States had become majority urban, and that changed everything. New jobs, migration, mass media, and consumer culture opened space for new identities and new freedoms, but they also triggered fierce backlash over race, religion, gender, immigration, and who got to define “real” American values.

Why the 1920s Became a Fight Over American Identity

In 1920, for the first time, most Americans lived in cities. Urban life brought jobs, department stores, offices, movies, radio, automobiles, and national advertising. It also made women, immigrants, and internal migrants more visible in public life.

World War I sharpened tensions. Wartime nationalism, the First Red Scare, labor strikes, and bomb scares made many people fear that change meant disorder. That is why so many 1920s debates connect. They were all arguments over who counted as American and what values government should enforce.

  • Modernists tended to accept urban life, science, consumer culture, looser gender norms, and artistic experimentation.
  • Traditionalists defended Protestant morality, rural and small-town values, older gender roles, and racial and ethnic hierarchy.

Migration and Urban Culture

Cities pulled in many groups at once. Immigrants came for work. African Americans left the South. Rural whites moved to industrial centers. Women found more jobs in clerical work, retail, teaching, nursing, and factories. Ethnic neighborhoods helped newcomers keep language, religion, newspapers, foodways, and political networks.

The Great Migration

African Americans moved north and midwest because the South offered Jim Crow, disfranchisement, racial violence, poor schools, and limited jobs. Northern cities offered factory work and somewhat greater freedom.

  • Major destinations included New York, Chicago, Detroit, Cleveland, and Philadelphia.
  • Life in the North still meant segregation, restrictive covenants, job discrimination, and white hostility.
  • Red Summer of 1919 showed how racial tension exploded into violence.
  • In Tulsa, 1921, white mobs destroyed Greenwood, known as “Black Wall Street.”

Black urban responses

The new Black urban culture produced different kinds of resistance and pride. Aaron Douglas's art captured that mix of struggle, modern city life, and hope for the future.

  • Harlem Renaissance

    Alain Locke’s The New Negro celebrated a “New Negro” identity built on racial pride and self-definition. Writers and artists included Langston Hughes, Claude McKay, Zora Neale Hurston, Countee Cullen, and Aaron Douglas. Musicians like Duke Ellington, Louis Armstrong, and Bessie Smith spread jazz and blues through clubs, records, and radio.

  • Legal activism

    The NAACP fought lynching. The Dyer Anti-Lynching Bill passed the House in 1922 but died in the Senate.

  • Black nationalism

    Marcus Garvey and the UNIA pushed Black pride, economic self-sufficiency, Pan-Africanism, and the Black Star Line. This differed from the NAACP’s integrationist approach.

Study guide illustration

Aaron Douglas, Aspiration

Nativism and Immigration Restriction

Fear of immigrants grew out of the Bolshevik Revolution, strikes, anarchist bombings, and the Palmer Raids. Nativists mixed anti-radical fear with eugenics and “scientific racism,” targeting southern and eastern Europeans, Catholics, Jews, and Asians.

Law or exampleWhat it did
Emergency Quota Act (1921)Set quotas at 3% of each nationality already in the U.S. based on the 1910 census
Immigration Act of 1924Also called Johnson-Reed Act or National Origins Act; cut quotas to 2% based on the 1890 census
Asian exclusionEffectively barred Japanese immigration and reinforced older Asian exclusion
Western HemisphereNo quotas, so Mexican labor migration continued
Border Patrol (1924)Created to police borders
Indian Citizenship Act (1924)Granted citizenship to Native Americans, but not equal rights or guaranteed voting access

The quota map here makes the pattern visible. Northern and western Europe received larger allotments, and much of Asia faced exclusion under the new system.

Study guide illustration

Immigration quotas under the 1924 law

Sacco and Vanzetti became symbols of anti-immigrant and anti-radical prejudice. The second Ku Klux Klan promoted “100 percent Americanism,” white Protestant supremacy, Prohibition, and anti-Black, anti-Catholic, antisemitic, and anti-immigrant politics. It had national power, especially in Indiana and Oregon, before scandals like the D. C. Stephenson case weakened it.

Moral and Cultural Controversies

Prohibition came from temperance reform, Progressivism, Protestant moral campaigns, and anti-immigrant feeling. The Eighteenth Amendment and Volstead Act tried to ban alcohol, but speakeasies, bootlegging, organized crime, corruption, and weak enforcement followed. Al Capone became the best-known example.

Religion and science clashed in the Scopes Trial of 1925. Tennessee’s Butler Act banned teaching evolution. John T. Scopes was prosecuted, with Clarence Darrow for the defense and William Jennings Bryan for the prosecution. Scopes was convicted. The larger impact was cultural because the press mocked fundamentalism nationwide.

Women’s roles were changing too. The Nineteenth Amendment gave women the vote. The flapper symbolized youth, consumption, and sexual independence, though most women did not live that lifestyle. Many women worked in clerical and service jobs but still earned less and hit barriers. Alice Paul proposed the Equal Rights Amendment in 1923, dividing reformers over equal treatment versus protective labor laws. Margaret Sanger pushed birth control activism.

Writers also criticized modern America. Ernest Hemingway and F. Scott Fitzgerald represented the Lost Generation. Sinclair Lewis’s Main Street and Babbitt, along with Fitzgerald’s The Great Gatsby, attacked materialism, conformity, and the emptiness under prosperity.

Why These Conflicts Matter

The 1920s expanded freedom and visibility for some people, especially in cities, while producing organized backlash. Government enforced cultural values through immigration quotas, Prohibition, anti-evolution laws, and unequal citizenship.

The 1928 election made the split obvious. Herbert Hoover faced Al Smith, whose Catholic faith, immigrant background, urban identity, and anti-Prohibition stance made him a target for rural and Protestant voters. The decade was both a Jazz Age and an age of exclusion.

Key Takeaways

The biggest pattern of the 1920s is that urbanization and mass culture created new freedoms and also stronger backlash.
Harlem Renaissance, immigration quotas, Prohibition, Scopes, and the Klan are all parts of one argument over American identity.
The Great Migration brought opportunity and cultural power to Black communities, but it did not end segregation or racial violence.
The 1924 immigration law mattered more than the 1921 law because the 1890 census heavily favored northern and western Europeans.
The Scopes Trial was not a simple courtroom win for modernism because Scopes was convicted.
The flapper was a powerful symbol, not the typical life of most American women.
Formal citizenship, like the Indian Citizenship Act, did not mean full equality in practice.

AP® is a trademark registered by the College Board, which is not affiliated with, and does not endorse this website.

Notes

1 credit used · 5/5 remaining