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AP World History Modern

Global Conflicts and World Wars

Learn Global Conflicts and World Wars in AP World History Modern from the production AIPH study guide.

Study guide topics

The Rise and Expansion of Empires (1200–1450)Transregional Interactions and Trade NetworksRevolutions and Transformations (1750–1900)Imperialism and Its Global ImpactGlobal Conflicts and World WarsModern Globalization and Technological ChangeAnalyzing Primary and Secondary SourcesMaking Historical ArgumentsConnecting the Past to the PresentMastering the DBQ (Document-Based Question)Effective Time Management on the Exam

Advanced Topics

In a nutshell: World Wars reshaped nations, societies, and the global order in the 20th century.

## The World at War The 20th century was marked by two devastating World Wars and countless regional conflicts. ### World War I (1914–1918) - **Causes:** Nationalism, alliances, imperial tensions, and militarism. - **Trench Warfare:** Brutal, static fighting on the Western Front. - **Aftermath:** Collapse of empires, redrawing of borders, and the League of Nations. ### World War II (1939–1945) - **Causes:** Treaty of Versailles, rise of fascism, expansionist policies. - **The Holocaust:** Systematic genocide of millions. - **Atomic Age:** Nuclear weapons changed warfare forever. ### Global Impact - **Decolonization:** Colonies worldwide pushed for independence. - **International Organizations:** United Nations founded to prevent future wars. ## Why This Matters These conflicts shaped today's political boundaries, alliances, and global institutions.

Examples

  • The end of World War II led to the creation of the United Nations.
  • India gained independence from Britain after World War II.
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