the american story lab · unit 04 · 1917–1929
WWI & the Twenties
A world war remade federal power; mass culture turned up the volume.
Did the 1920s represent a break with the past—or old conflicts in modern packaging?
The 4-minute briefing
The textbook-sized gap, closed without the textbook-sized reading.
The United States entered World War I in 1917 after years of neutrality. Mobilization brought federal management of industry, mass propaganda, conscription, and restrictions on dissent. The war ended quickly for Americans, but disputes over the peace treaty and the League of Nations revealed how divided the country remained about its world role.
Cars, radios, movies, advertising, installment credit, and rising productivity created the first national mass culture. Jazz and the Harlem Renaissance transformed American art, while the Great Migration shifted political and cultural power. Prohibition encouraged both reform and organized crime. Immigration quotas and the reborn Ku Klux Klan exposed a fierce backlash against social change.
3 ideas that unlock the unit
War expanded the state
Mobilization reached factories, farms, speech, and everyday consumption. Civil-liberties cases from the era asked how much dissent a democracy tolerates during war.
Mass culture linked strangers
Radio, movies, sports, and national brands let millions consume the same stories, sounds, and products at nearly the same time.
Modernity produced backlash
New freedom for some existed alongside racial terror, immigration restriction, fundamentalist reaction, and revived nativism.
Chronology scramble
Put all 4 events in order. Choose 1 for earliest and 4 for latest.
review the completed timeline
- 1917 · United States enters WWICongress declares war on Germany; mobilization reshapes government and society.
- 1919 · Red SummerRacial violence erupts in cities across the nation amid labor and migration tensions.
- 1920 · Radio boom beginsCommercial broadcasting helps create a shared national culture.
- 1924 · Immigration quotasFederal law sharply restricts immigration and favors northern and western Europe.
Flip deck
Tap each term to reveal the plain-English meaning. Review all 4 cards to clear the mission.
0 of 4 terms reviewed
You make the call
It is 1918. A speaker publicly criticizes the draft while the government argues that antiwar speech harms military recruitment.
Where should a democracy draw the line?
Boss battle
Three open-practice questions. Score 2 out of 3 to clear the boss. You can retry; graded work stays in Google Classroom.
Exit ticket
Did the 1920s represent a break with the past—or old conflicts in modern packaging?
unit badge unlocked
WWI & the Twenties cleared.
You finished all six missions and banked 320 XP. Your work is saved on this device.
continue to unit 5: Depression & the New Deal →