The Early 20th Century (1890-1945)

Joseph Brown
7 min read
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Study Guide Overview
This AP US History study guide covers the period 1890-1945, focusing on economic transformation (industrialization, Great Depression, New Deal), technological and cultural shifts (automobiles, radios, migration), foreign policy evolution (isolationism to global power, World Wars), and social movements (women's rights, African American Civil Rights). It also includes a timeline, key trends, practice questions, and exam tips.
#AP US History Study Guide: 1890-1945 π
Hey there! Let's get you prepped and confident for your AP US History exam. This guide is designed to be your go-to resource for the period between 1890 and 1945, focusing on the key themes and trends you need to know. Let's dive in!
#1. Economic Transformation π°
#1.1. Rise of the US Economy
The US economy experienced massive growth, becoming the world's largest by the 1920s. This was fueled by industrialization and urbanization.
#1.2. Challenges and Responses
- Progressive Era: Reformers tried to fix the problems caused by industrialization.
- The Great Depression: A major economic downturn that challenged the US and led to new government solutions.
#2. Technological and Cultural Shifts ππ»
#2.1. Technological Advancements
New technologies like automobiles and radios transformed American culture and accelerated the creation of a national identity.
The Ford Model T, a symbol of early 20th-century mass production.
#2.2. Migration Patterns
- Suburbanization: People moved from cities to suburbs, facilitated by cars.
- Westward and Southward Migration: Internal migration within the US, especially towards the West Coast.
- Immigration: Increased immigration from China, Japan, and Eastern Europe.
#3. Foreign Policy Evolution π
#3.1. From Isolationism to Global Power
The US transitioned from a generally isolationist stance to becoming a major global power with significant military and political influence.
The Spanish-American War marked the beginning of American imperialism.
#3.2. World Wars and Global Engagement
- WWI & WWII: US involvement in both wars raised questions about its role in world affairs.
- Post-WWII: The US became heavily involved in global affairs, seeing it as crucial for national security and global stability.
#4. Social Movements and Change β
#4.1. Women's Rights
- Suffrage Movement: Women actively campaigned for the right to vote.
- Feminist Activism: Many feminists were involved in broader reform movements.
- Temperance: The movement to ban alcohol was a significant issue.
#4.2. African American Civil Rights
- Post-War Mobilization: African Americans, especially veterans, demanded equal rights and opportunities.
- Community Organizing: They mobilized their communities to fight for equality.
#5. Timeline of Key Events ποΈ
- 1898: Spanish-American War begins American imperialism.
- 1917: US enters World War I; Wilsonβs Fourteen Points.
- 1918: WWI ends.
- 1919: First Red Scare; Red Summer; Prohibition.
- 1920: 19th Amendment (women's suffrage); Treaty of Versailles not ratified.
- 1929: Stock Market Crash; start of the Great Depression.
- 1933: FDR inaugurated; New Deal begins.
- 1941: Pearl Harbor; US enters WWII; Great Depression ends.
#6. Major Trends (1890-1945) π
- Urbanization: The US became more urban than rural in the 1920s.
- Industrialization: The US economy shifted from agriculture to industry, boosted by WWI & WWII.
Shift in Foreign Policy: The US moved from isolationism to multilateralism, engaging more in global affairs.
Remember the key shifts: From rural to urban, agriculture to industry, isolationism to interventionism.
#7. Final Exam Focus π―
#7.1. High-Priority Topics
- Economic Transformation: Understand the causes and effects of industrialization and the Great Depression.
- Foreign Policy: Know the shift from isolationism to global engagement, especially regarding WWI and WWII.
- Social Movements: Be familiar with the women's suffrage and civil rights movements.
- Key Legislation: Understand the impact of the New Deal programs.
#7.2. Common Question Types
- Multiple Choice: Focus on cause-and-effect relationships and the impact of specific events.
- Short Answer Questions (SAQs): Practice concise explanations of key concepts and events.
- Free Response Questions (FRQs): Focus on analyzing historical trends and providing evidence-based arguments.
Time Management: Quickly scan questions, prioritize those you know well, and donβt get stuck on one question for too long. For FRQs, make sure to outline your argument before you start writing.
Avoid vague answers: Always back up your claims with specific historical evidence. Don't just say something was "bad" - explain why it was bad using specific examples.
#8. Practice Questions
Practice Question
#8.1. Multiple Choice Questions
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Which of the following best describes the primary goal of the Progressive movement? (A) To promote laissez-faire economics (B) To expand overseas territories (C) To address social and political problems caused by industrialization (D) To limit immigration to the United States
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The New Deal programs of the 1930s were primarily a response to which of the following conditions? (A) The rise of communism in Europe (B) The economic hardship of the Great Depression (C) The growing threat of fascism (D) The need to expand American influence overseas
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The shift in American foreign policy from isolationism to interventionism was most directly influenced by which of the following events? (A) The Spanish-American War and World War I (B) The Great Depression and the New Deal (C) The Civil War and Reconstruction (D) The Cold War and the Space Race
#8.2. Free Response Question (FRQ)
Question: Analyze the ways in which the United States changed economically, politically, and socially between 1890 and 1945. Point Breakdown:
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Thesis (1 point): A clear, historically defensible thesis that addresses the changes in the US between 1890 and 1945. - Economic Changes (2 points):
- Discuss the rise of industrialization and its impact on the economy.
- Describe the effects of the Great Depression and the New Deal.
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Political Changes (2 points):
- Explain the shift from isolationism to interventionism in foreign policy.
- Discuss the expansion of government power during the New Deal.
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Social Changes (2 points):
- Analyze the impact of urbanization and migration.
- Discuss the women's suffrage and civil rights movements.
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Synthesis (1 point): Connect the changes in the US between 1890 and 1945 to a broader historical context, such as the impact of industrialization on other nations or the long-term effects of the New Deal on American society.
Remember, you've got this! Stay calm, trust your preparation, and tackle each question with confidence. Good luck! π
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