SECTION 1: From Neutrality to War

A drawing of a man in a German helmet standing before a giant American flag.

A 1917 cartoon shows the German leader William II considering the U.S. flag looming on the horizon. ►

WITNESS HISTORY AUDIO

To Fight or Not to Fight?

When war broke out in Europe in 1914, the United States decided to stay neutral. However, incidents like the senseless destruction of Louvain, a medieval university town in Belgium, by German troops turned American opinion against Germany.

“For two hours on Thursday night I was in what for six hundred years had been the city of Louvain. The Germans were burning it … the story … was told to us by German soldiers incoherent with excesses; and we could read it in the faces of the women and children being led to concentration camps and of the citizens on their way to be shot.”

—American journalist Richard Harding Davis, August 1914

Objectives

  • Identify the causes of World War I.
  • Describe the course and character of the war.
  • Explain why the United States entered the conflict on the side of the Allies.

Terms and People

  • Alsace-Lorraine
  • militarism
  • Francis Ferdinand
  • William II
  • Western Front
  • casualty
  • contraband
  • U-boat
  • Lusitania
  • Zimmermann note

NoteTaking

Reading Skill: Identify Causes As you read, identify the causes of World War I, the conditions facing soldiers, and the reasons for U.S. involvement.

A chart titled World War I. The chart has three boxes attached. The first reads "Causes of the War", the second," Nature of warfare", and the third is "Reasons for U.S. Involvement."

Why It Matters In 1914, nationalism, militarism, imperialism, and entangling alliances combined with other factors to lead the nations of Europe into a brutal war. The war quickly stretched around the globe. The United States remained neutral at first but ended up abandoning its long tradition of staying out of European conflicts. Section Focus Question: What caused World War I, and why did the United States enter the war?

What Caused World War I?

Until 1914, there had not been a large-scale European conflict for nearly one hundred years. However, bitter, deep-rooted problems simmered beneath the surface of polite diplomacy. Europe was sitting on a powder keg of nationalism, regional tensions, economic rivalries, imperial ambitions, and militarism.

Nationalism and Competition Heighten Tension

Nationalism, or devotion to one’s nation, kick-started international and domestic tension. In the late 1800s, many Europeans began to reject the earlier idea of a nation as a collection of different ethnic groups. Instead, they believed that a nation should express the nationalism of a single ethnic group. This belief evolved into an intense form of nationalism that heightened international rivalries. For example, France longed to avenge its humiliating defeat by a collection of German states in 1871 and regain Alsace-Lorraine, the territory it lost during that conflict. Nationalism also threatened minority groups within nation-states. If a country existed as the expression of “its people,” the majority ethnic group, where did ethnic minorities fit in?

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Table of Contents

Prentice Hall: United States History
CHAPTER 1 Many Cultures Meet (Prehistory–1550)
1 The American Indians 2 The Europeans 3 The West Africans 4 First Encounters American Issues Connector: Global Interdependence Quick Study Guide and Assessment
CHAPTER 2 Europeans Establish Colonies (1492–1752)
1 Spain’s Empire in the Americas 2 The French Empire 3 England’s Southern Colonies 4 The New England Colonies 5 The Middle Colonies Quick Study Guide and Assessment
CHAPTER 3 The American Colonies Take Shape (1607–1765)
1 Immigration and Slavery 2 The American Colonies and England 3 Comparing Regional Cultures 4 Wars of Empire Quick Study Guide and Assessment Reflections: Seeds of Change
CHAPTER 4 The American Revolution (1765–1783)
1 Causes of the Revolution 2 Declaring Independence Declaration of Independence 3 Turning Points of the War 4 War’s End and Lasting Effects Quick Study Guide and Assessment
CHAPTER 5 Creating the Constitution (1781–1789)
1 A Confederation of States 2 Drafting the Constitution 3 Ratifying the Constitution American Issues Connector: Expanding and Protecting Civil Rights Quick Study Guide and Assessment The Constitution and Bill of Rights
CHAPTER 6 The New Republic (1789–1816)
1 Government and Party Politics 2 The Struggle Over Foreign Policy 3 The Age of Jefferson 4 The War of 1812 Quick Study Guide and Assessment Reflections: Jefferson’s Vision
CHAPTER 7 Nationalism and Sectionalism (1812–1855)
1 Industry and Transportation 2 Sectional Differences American Issues Connector: Sectionalism and National Politics 3 An Era of Nationalism 4 Democracy and the Age of Jackson 5 Constitutional Disputes and Crises Quick Study Guide and Assessment
CHAPTER 8 Religion and Reform (1812–1860)
1 A Religious Awakening American Issues Connector: Church and State 2 A Reforming Society 3 The Antislavery Movement 4 The Women’s Movement Quick Study Guide and Assessment
CHAPTER 9 Manifest Destiny (1800–1850)
1 Migrating to the West 2 Texas and the Mexican-American War 3 Effects of Territorial Expansion Quick Study Guide and Assessment Reflections: An Age of Reform
CHAPTER 10 The Union in Crisis (1846–1861)
1 Slavery, States’ Rights, and Western Expansion American Issues Connector: Federal Power and States’ Rights 2 A Rising Tide of Protest and Violence 3 Political Realignment Deepens the Crisis 4 Lincoln, Secession, and War Quick Study Guide and Assessment
CHAPTER 11 The Civil War (1861–1865)
1 Resources, Strategies, and Early Battles 2 African Americans and the War 3 Life During the War 4 Turning Points of the War 5 The War’s End and Impact Quick Study Guide and Assessment
CHAPTER 12 The Reconstruction Era (1865–1877)
1 Rival Plans for Reconstruction American Issues Connector: Checks and Balances 2 Reconstruction in the South 3 The End of Reconstruction Quick Study Guide and Assessment Reflections: The Civil War
CHAPTER 13 The Triumph of Industry (1865–1914)
1 Technology and Industrial Growth 2 The Rise of Big Business 3 The Organized Labor Movement American Issues Connector: Technology and Society Quick Study Guide and Assessment
CHAPTER 14 Immigration and Urbanization (1865–1914)
1 The New Immigrants 2 Cities Expand and Change American Issues Connector: Migration and Urbanization Social and Cultural Trends Quick Study Guide and Assessment
CHAPTER 15 The South and West Transformed (1865–1900)
1 The New South 2 Westward Expansion and the American Indians American Issues Connector: American Indian Policy 3 Transforming the West Quick Study Guide and Assessment
CHAPTER 16 Issues of the Gilded Age (1877–1900)
1 Segregation and Social Tensions American Issues Connector: Women in American Society 2 Political and Economic Challenges 3 Farmers and Populism Quick Study Guide and Assessment Reflections: Little Bighorn
CHAPTER 17 The Progressive Era (1890–1920)
1 The Drive for Reform 2 Women Make Progress American Issues Connector: Social Problems and Reforms 3 The Struggle Against Discrimination 4 Roosevelt’s Square Deal 5 Wilson’s New Freedom Quick Study Guide and Assessment
CHAPTER 18 An Emerging World Power (1890–1917)
1 The Roots of Imperialism American Issues Connector: Territorial Expansion of the United States 2 The Spanish-American War 3 The United States and East Asia 4 The United States and Latin America Quick Study Guide and Assessment
CHAPTER 19 World War I and Beyond (1914–1920)
1 From Neutrality to War American Issues Connector: America Goes to War 2 The Home Front 3 Wilson, War, and Peace 4 Effects of the War Quick Study Guide and Assessment Reflections: The Progressive Era
CHAPTER 20 The Twenties (1919–1929)
1 A Booming Economy 2 The Business of Government 3 Social and Cultural Tensions American Issues Connector: U.S. Immigration Policy 4 A New Mass Culture 5 The Harlem Renaissance Quick Study Guide and Assessment
CHAPTER 21 The Great Depression (1928–1932)
1 Causes of the Depression 2 Americans Face Hard Times 3 Hoover’s Response Fails Quick Study Guide and Assessment
CHAPTER 22 The New Deal (1932–1941)
1 FDR Offers Relief and Recovery 2 The Second New Deal 3 Effects of the New Deal American Issues Connector: Government’s Role in the Economy 4 Culture of the 1930s Quick Study Guide and Assessment Reflections: Art in the New Deal
CHAPTER 23 The Coming of War (1931–1942)
1 Dictators and Wars 2 From Isolation to Involvement 3 America Enters the War Quick Study Guide and Assessment
CHAPTER 24 World War II (1941–1945)
1 The Allies Turn the Tide 2 The Home Front 3 Victory in Europe and the Pacific 4 The Holocaust 5 Effects of the War Quick Study Guide and Assessment
CHAPTER 25 The Cold War (1945–1960)
1 The Cold War Begins 2 The Korean War 3 The Cold War Expands 4 The Cold War at Home American Issues Connector: Civil Liberties and National Security Quick Study Guide and Assessment
CHAPTER 26 Postwar Confidence and Anxiety (1945–1960)
1 An Economic Boom 2 A Society on the Move 3 Mass Culture and Family Life 4 Dissent and Discontent Quick Study Guide and Assessment Reflections: Postwar Changes
CHAPTER 27 The Civil Rights Movement (1945–1975)
1 Early Demands for Equality 2 The Movement Gains Ground 3 New Successes and Challenges American Issues Connector: Voting Rights Quick Study Guide and Assessment
CHAPTER 28 The Kennedy and Johnson Years (1960–1968)
1 Kennedy and the Cold War 2 Kennedy’s New Frontier 3 Johnson’s Great Society American Issues Connector: Poverty and Prosperity Quick Study Guide and Assessment
CHAPTER 29 The Vietnam War Era (1954–1975)
1 Origins of the Vietnam War 2 U.S. Involvement Grows 3 The War Divides America 4 The War’s End and Impact American Issues Connector: America and the World 5 Nixon and the Cold War Quick Study Guide and Assessment
CHAPTER 30 An Era of Protest and Change (1960–1980)
1 The Counterculture 2 The Women’s Rights Movement 3 The Rights Revolution Expands 4 The Environmental Movement American Issues Connector: Interaction With the Environment Quick Study Guide and Assessment
CHAPTER 31 A Crisis in Confidence (1968–1980)
1 Nixon and the Watergate Scandal 2 The Ford and Carter Years 3 Foreign Policy Troubles Quick Study Guide and Assessment Reflections: The Civil Rights Struggle
CHAPTER 32 The Conservative Resurgence (1980–1993)
1 The Conservative Movement Grows 2 The Reagan Revolution 3 The End of the Cold War 4 Foreign Policy After the Cold War Quick Study Guide and Assessment
CHAPTER 33 Into a New Century (1992–Today)
1 The Computer and Technology Revolutions 2 The Clinton Presidency 3 Global Politics and Economics 4 The George W. Bush Presidency 5 Americans Look to the Future American Issues Connector: Education and American Society Quick Study Guide and Assessment
Reflections: Enduring Issues Five Themes of Geography Profile of the Fifty States Atlas Presidents of the United States Economics Handbook Landmark Decisions of the Supreme Court Documents of Our Nation English and Spanish Glossary Index Acknowledgments
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