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NotesHistory HLTopic 19.12
Unit 19 · Paper 3 · History of the Americas · Topic 19.12

IB History HL — The Great Depression and the Americas (mid 1920s–1939)

Topic 19.12 of IB History covers The Great Depression and the Americas (mid 1920s–1939), which is part of Unit 19: Paper 3 · History of the Americas. Students explore key concepts including Causes of the Depression, Hoover, and the New Deal, Canada, Latin America, and Society: The Depression Beyond the USA. A strong understanding of the great depression and the americas (mid 1920s–1939) is essential for IB History HL exams and builds the foundation for connected topics across the syllabus.

Higher Level students should use this topic hub as a map: start with the shared sub-topics, then follow the HL-only extensions and exam-skill links where this topic asks for deeper analysis.

Exam technique guidePractice questions

Key concepts in The Great Depression and the Americas (mid 1920s–1939)

Key Idea: Why the Great Depression began, how the USA, Canada and Latin America responded, and how it changed society and culture across the Americas in the 1930s.

Causes, Hoover and the New Deal

  • Causes: overproduction, unequal wealth, buying on credit, weak banks, farm depression and high tariffs.
  • Hoover trusted voluntary action; he used Smoot-Hawley and the RFC but gave no direct relief, and the Bonus Army wrecked his name.
  • FDR's New Deal aimed at Relief, Recovery and Reform: CCC, AAA, NRA, WPA, the Social Security Act and Wagner Act.
  • Critics on the left (Long, Coughlin) and the right (Supreme Court, Liberty League); full recovery came only with war.

Beyond the USA

Region or groupProblemResponse
CanadaWheat exports collapsed; 27% unemploymentKing did little; Bennett's tariffs, then a late New Deal
Latin American politicsExport collapse cut government incomeCoups in Argentina and Brazil (Vargas), 1930
Latin American economyImports too expensiveImport Substitution Industrialization
CultureArtists out of workFederal Art and Writers' Projects, muralism, Hollywood
The crash hit every country that lived on exports; the USA answered with a bigger state, much of Latin America with strongmen.

Did the New Deal end the Depression? No. Full recovery came with the Second World War.

What lasting change did the New Deal make? A much bigger federal role in the economy.

Who did New Deal jobs leave out? Many women and minorities.

Why did Latin America start making its own goods? It could no longer afford imports.

What you'll learn in Topic 19.12

  • 19.12.1 Causes of the Depression, Hoover, and the New Deal
  • 19.12.2 Canada, Latin America, and Society: The Depression Beyond the USA
Suggested study order: Read the notes for each sub-topic below → test yourself with flashcards → attempt practice questions → review exam technique.

Study resources — 19.12 The Great Depression and the Americas (mid 1920s–1939)

19.12.1

Causes of the Depression, Hoover, and the New Deal

Notes
19.12.2

Canada, Latin America, and Society: The Depression Beyond the USA

Notes

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Topic 19.12 The Great Depression and the Americas (mid 1920s–1939) forms a core part of Unit 19: Paper 3 · History of the Americas in IB History HL. Mastering these concepts will strengthen your understanding of connected topics across the syllabus and prepare you for exam questions that require analysis, evaluation, and real-world application.

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