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Chapter 20 The World War I Era

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Presentation on theme: "Chapter 20 The World War I Era"— Presentation transcript:

1 Chapter 20 The World War I Era

2 Section I: The Road To War

3 Section I: Key Terms Militarism Mobilization Central Powers Allies Stalemate Autocrat

4 Section I: The Road To War
Causes of WWI Imperialism Militarism Nationalism Alliances (entangling alliances)

5 Section I: The Road To War
Assassination of Archduke Francis Ferdinand of Austria-Hungary Gavrilo Princip of Bosnia Cause of WWI?

6 Section I: The Road To War
The Start of War Austria-Hungary had fought with Serbia over control of Bosnia Austria-Hungary was convinced that Serbia was responsible for the Archdukes death July 28, 1914 Austria-Hungary declares war on Serbia This action officially begins WWI

7 Section I: The Road To War
Russia (Serbia Protector) Mobilized Germany (Austria-Hungary Ally) reacts to Russia France (Russian Ally) Mobilizes Germany declares war on Russia / France Germany invades Belgium (to get to France) Great Britain (Belgium’s ally) declares war on Germany U.S. stays neutral

8 Section I: The Road To War
Central Powers Germany Austria-Hungary Allies Russia France Serbia Great Britain

9 Section I: The Road To War
New Technology Trench Warfare Machine Guns Hand Grenades Artillery Poison Gas U-Boats

10 Section II: The U.S. Declares War

11 Section II: Key Terms U-Boat Sussex Pledge Filibuster
Zimmerman Telegraph (Note) Russian Revolution





16 Section II: The U.S. Declares War
America was Neutral America Supported Allies Militarism Utterseeboot – Uboats


18 Section II: The U.S. Declares War
Lusitania – British Passenger Liner May 7, 1915 Torpedoes Sunk Carried Weapons to Allies 1200 Dead (128 Americans) Germany promised to stop sinking ships without warning Sussex – French Passenger Liner March 24, 1916 Torpedoes Sunk Sussex Pledge – Germans again promised to warn before attacking February 1, 1917 Germany resumed unrestricted submarine warfare



21 Section II: The U.S. Declares War
President Wilson Congress refused Zimmerman Note German Secretary sent a note to Mexico Ally with Germany Mexico gets Texas, New Mexico, Arizona Angered Americans

22 Section II: The U.S. Declares War
1917 – 1918 Russia Pulled Out of War Czar Nicholas and Family Killed Russian Revolution March 1917 Germany Sinks Three U.S. Ships April 6, 1917 U.S. Enters War


24 Section III: Americans on the European Front

25 Section III Key Terms Selective Service Act
American Expeditionary Force Convoy Armistice Genocide

26 Section III: Americans on the European Front
April 1917 U.S. Enters WWI U.S. Armed Forces 200,000 General “Black Jack” Pershing 14,500 Troops go to Europe Pershing needed more men May 1917 Selective Service Act (Draft) 3 million men were drafted




30 Section III: Americans on the European Front
American Expeditionary Force (AEF) U.S. Troops Convoy – a group of unarmed ships surrounded by heavily armed destroyers. June AEF arrives in France


32 Section III: Americans on the European Front
AEF Turns the Tide of the War No trenches No retreat Tank Warfare pushed East toward Germany Red Baron, Sgt York

33 Section III: Americans on the European Front
By Fall of 1918 Germany was in full retreat Kaiser Wilhelm sought a peace settlement Allies insisted on total surrender November 11, 1918 Armistice (cease fire) Treaty came later

34 Section III: Americans on the European Front
WWI 8 million dead in combat (book estimates) AEF 50,000 British 900,000 Germany, Austria-Hungary, France, Russia Over 1 million each Actual numbers were much higher Influenza epidemic million dead

35 Section IV: On The Home Front (Skip)

36 Section IV Key Terms Liberty Bond Price Controls Rationing
Daylight Savings Time Sedition Vigilante

37 Section IV:

38 Section IV:

39 Section IV:

40 Section V: Global Peacemaker

41 Section V Key Terms Fourteen Points Self-Determination Spoils
League of Nations Reparations Versailles Treaty

42 Section V: Global Peacemaker
November 11, 1918 Armistice President Wilson’s Program for Peace Fourteen Point Plan End entangling alliances Removal of trade barriers Reduction in arms League of Nations others

43 Section V: Global Peacemaker
January 1919 Paris Peace Conference Fourteen Point Plan rejected by Allies Allies wanted to punish Germany Allies wanted Spoils or rewards of war Territory Allies wanted Reparations ($33 Billion) President warned of consequences of punishing Germany to harshly Allies had a point (WWI fought in Europe not U.S.)

44 Section V: Global Peacemaker
May 7, 1919 The Treaty of Versailles Reparations, Spoils, Disarmament for Germany, and League of Nations Germany first refused to sign it French threatened to invade Germany June 28, 1919 Treaty signed

45 Section V: Global Peacemaker
President Wilson returned home with Treaty of Versailles Congress must ratify any Treaty (Constitution) Congress refused to ratify Treaty Congress objected to League of Nations U.S. would become world policemen U.S. never signed Treaty of Versailles, never joined League of Nations. U.S. signed separate Treaties with Germany, Austria, and Hungary

46 Section V: Global Peacemaker
Following WWI World economies began to struggle…..

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