How We Got Here:
Assassination of Archduke Ferdinand: June 28, 1914, Sarajevo, Bosnia; Gavrilo Princip assassinates heir to Austro-Hungarian throne.
France’s Grudge: Lost Alsace and Lorraine to Germany in 1871.
Fear of German Expansion: France, Britain, and Russia worried about German growth.
Austria-Hungary's Expansion: Moving south and east, wary of massive Russia.
German War Plans: Rigid, all-or-nothing strategy.
Causes of WWI (MAIN):
Militarism: Arms race and glorification of military power.
Alliances: Web of pacts dragged nations into war.
Imperialism: Competition for colonies fueled tension.
Nationalism: Pride and desire for independence motivated conflict.
Alliance System in 1914:
Central Powers: Austria-Hungary, Germany
Allies: Serbia, France, Russia
Blame for the War:
Austria-Hungary blamed Serbia.
Austria-Hungary declared war on Serbia (July 28, 1914), triggering a domino effect:
Russia mobilized to support Serbia.
France, allied with Russia, mobilized.
Germany responded by mobilizing.
The Alliances of 1914:
Allies: Serbia, Russia, France, Great Britain
Central Powers: Austria-Hungary, Germany, Ottoman Empire
Military Strength (1914):
Germany: Strongest land and sea balance.
Great Britain: Dominated naval power.
Schlieffen Plan (German Invasion):
Aim: Avoid a two-front war with France and Russia by quickly defeating France.
Route: Invade through Belgium (violated Belgian neutrality).
Result: Britain entered the war in response.
New Alliances:
Italy: Joined Allies in 1915, promised Austro-Hungarian territory.
Stalemate in France: Bloody battles, no clear advantage.
New Weapons of War:
Average age of soldiers: 19
Weapons: Machine guns, rapid-fire artillery, grenades, poison gas, tanks, submarines, airplanes.
Dogfights: Airplane combat.
Trench warfare: Led to disease and brutal conditions.
Major Battles:
Verdun (Feb 1916): German offense, 500,000 casualties.
The Somme (July 1916): 60,000 British soldiers killed in one day; over 1 million casualties in 5 months.
U.S. Neutrality and Entry:
Wilson's Neutrality (1914): Declared U.S. neutral, but economic ties to Allies complicated this.
Divided Loyalties:
German Americans supported Central Powers.
Irish Americans opposed Britain.
Many Americans backed Allies due to cultural and economic ties.
Reasons for U.S. Entry:
Unrestricted Submarine Warfare: Germany's U-boats sank ships like the Lusitania (1915).
Zimmermann Telegram (1917): Germany proposed an alliance with Mexico against the U.S.
American Homefront:
Enlistment:
Selective Service Act (1917): Drafted 24 million men; 4.8 million served, 2 million in combat.
African Americans: 400,000 served in segregated units.
Native Americans: 15,000 served as scouts, messengers, snipers.
Propaganda:
Committee on Public Information (CPI): Led by George Creel.
Promoted war effort and anti-German sentiment (e.g., "Liberty Measles," "Liberty Steaks").
War Mobilization:
War Industries Board: Led by Bernard Baruch; regulated production, distribution, and pricing.
Food Administration: Led by Herbert Hoover; encouraged food conservation.
Civil Liberties During the War:
Espionage Act (1917): Banned actions obstructing military efforts.
Sedition Act (1918): Criminalized anti-war speech or opposition to war bonds.
End of WWI:
U.S. Entry (1917): Boosted Allies; German U-boat attacks intensified.
General John J. Pershing: Transformed U.S. troops into effective soldiers.
German Collapse (1918):
Allies' counteroffensives.
German and Austro-Hungarian soldiers mutinied.
Armistice: November 11, 1918, in Compiegne, France.
Postwar Efforts:
Wilson’s Fourteen Points:
Open diplomacy
Freedom of the seas
Free trade
Arms reduction
End to colonialism
Self-determination
League of Nations (controversial in U.S.)
Treaty of Versailles (1919):
Redrew Europe’s map.
Broke up Ottoman Empire.
Imposed reparations on Germany.
European leaders opposed Wilson's "peace without victory" stance.