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The Impact and Aftermath of World War I

Feb 11, 2025

World War I & Its Aftermath

I. Introduction

  • World War I, also known as the Great War, reshaped global power dynamics, leading to the fall of empires and the rise of new nations.
  • The US entered the war in 1917, marking its emergence as a global military power.
  • War impacted American progressivism and set the stage for future global conflicts and the Great Depression.

II. Prelude to War

  • Rise of the German Empire and the ambitions of Kaiser Wilhelm II challenged European stability.
  • Formation of alliances: Triple Entente (Britain, France, Russia) vs. Triple Alliance (Germany, Austria-Hungary, Italy).
  • Tensions in the Balkans with Austria-Hungary's annexation of Bosnia and Herzegovina.
  • Assassination of Archduke Franz Ferdinand by a Serbian nationalist triggered the war.
  • US maintained neutrality, focusing on domestic growth and transatlantic trade.

III. War Spreads through Europe

  • Germany's Schlieffen Plan led to the invasion of Belgium, causing Britain to enter the war.
  • Trench warfare resulted in stalemates and high casualties.
  • Russia's withdrawal after the Bolshevik Revolution and Germany's unrestricted submarine warfare escalated the conflict.

IV. America Enters the War

  • US declared war on Germany in April 1917.
  • The Selective Service Act instituted a draft to build the military.
  • Mobilization efforts faced challenges due to the lack of a standing army.
  • The war effort included significant contributions from women and minorities, despite segregation and discrimination.

V. On the Homefront

  • US economy shifted to support the war; trade with Allies increased significantly.
  • Propaganda campaigns promoted patriotism and financial support through war bonds.
  • Espionage and Sedition Acts suppressed dissent.

VI. Before the Armistice

  • American forces contributed to Allied victories, leading to the German retreat.
  • Armistice signed on November 11, 1918.
  • The war resulted in massive casualties and a reshaped geopolitical landscape.

VII. The War and the Influenza Pandemic

  • 1918 influenza pandemic exacerbated wartime suffering, killing millions globally.
  • More soldiers died from the flu than in combat.

VIII. The Fourteen Points and the League of Nations

  • President Wilson's Fourteen Points outlined principles for postwar peace.
  • The League of Nations was proposed to ensure collective security, but the US did not join.
  • Treaty of Versailles imposed harsh reparations on Germany.

IX. Aftermath of World War I

  • Redrew European and Middle Eastern maps, creating new nations.
  • Ignored calls for self-determination in former Ottoman territories.
  • The Russian Revolution and subsequent Red Scare influenced US postwar policies.
  • Racial tensions in the US erupted in the Red Summer of 1919.

X. Conclusion

  • World War I left a legacy of political and economic instability.
  • Set the stage for World War II, the Cold War, and reshaped global order.

XI. Primary Sources

  • Documents include President Wilson's war address, Sedition Act, and writings by W.E.B. Du Bois.

XII. Reference Material

  • Contributions by various historians and scholars, with suggested readings on World War I and its impact.