WORLD WAR I REVIEW Causes of WWI New weapons Assassination of Ferdinand Why US joined war Trench warfare Schlieffen Plan No Man’s Land Unrestricted Sub Warfare Battle of Verdun Zimmermann Telegram Russian Revolution Vladimir Lenin War of attrition Big 4 14 Points League of Nations Treaty of Versailles

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CAUSES OF WW1 The four MAIN causes of WWI were: Militarism Alliances Imperialism Nationalism

NEW WEAPONS Airplanes Tanks Zeppelins Machine Guns Artillery Submarines Gas

ASSASSINATION OF ARCHDUKE FERDINAND The Spark for WWI was the assassination of Archduke Francis Ferdinand, the heir to the Austrian- Hungarian throne, in Sarajevo.

WW1 ALLIANCES-BEGINNING Triple Alliance: Germany, Austria-Hungary, and Italy Triple Entente: Great Britain, France, and Russia

WW1 ALLIANCES-US ENTERS Central Powers: Germany, Austria- Hungary, and the Ottoman Empire Allied Powers: Great Britain, France, and Russia Later: The United States, Italy, and Japan

WHY DID THE US ENTER WW1 The British passenger liner Lusitania was sunk by a German U-boat was the Lusitania. 128 Americans were killed by this action. German policy of Unrestricted Submarine Warfare Germany declared the area around the British Isles a war zone, in which all merchant ships, including those from neutral countries, would be attacked by the German navy.

WHY DID THE US ENTER WW1 The Zimmerman Telegram was a messenger from the Germans to Mexico asking for their alliance in the war cause. This angered Americans because it would have brought WWI to the North American continent, and because the Germans promised Mexico American territories.

LIFE IN THE TRENCHES Life in the trenches consisted of horrible and unsanitary conditions. Little food and clean water Rats and Lice Diseases Boredom Certain Death

SCHLIEFFEN PLAN The Schlieffen plan was the first German offensive of WWI. The Germans attacked France by marching through Belgium.

NO MAN’S LAND No Man's Land was a barren void filled with craters and riddled with land mines and barbed wire. It was defended by machine guns and riflemen on both sides, making any attempt to cross it a terrifying experience for the soldiers. The area between opposing trenches.

BATTLE OF VERDUM FEBRUARY 21,1916- DECEMBER 16,1916 ATTEMPT BY GERMANS TO TAKE CITY OF VERDUN IN FRANCE LONGEST LASTING SINGLE BATTLE OF WORLD WAR ONE COMBINED 600,000 CASUALTIES BETWEEN THE FRENCH AND GERMANS

VLADIMIR LENIN AND RUSSIAN REVOLUTION The main leader of the Russian Revolution was Vladimir Lenin. Russia became the world’s first Communist country and its new name was the USSR(United Soviet Socialist Republics) In the spring of 1917, Russia changed from a monarchy (a government with a czar) to the world’s first Communist government.

WAR OF ATTRITION World War One was a WAR OF ATTRITION -WEARING DOWN AN OPPOSITION BY CAUSING THEM TO EXHAUST ALL THEIR RESOURCES

BIG FOUR The Big Four were the leaders of: The United States Italy Great Britain France

PROPAGANDA Propaganda is a form of persuasive communication that tries to get people to support a cause or position. Propaganda was used during WWI to get men to enlist in the military, buy war bonds, or get people at home to do their part to support the war.

FOURTEEN POINTS The main purpose of President Wilson’s Fourteen Points at the end of WW1 was to assure peace in the future by not punishing Germany too harshly. League of Nations formed

TREATY OF VERSAILLES Treaty of Versailles punished Germany harshly Germany must admit war was their fault Germany must disarm their army less than 100,000 men Germany loses colonies Pay 30 billion in damages Reduced navy air force Germany not allowed to join league of nations Formation of Poland, Estonia, Lithuania, Latvia

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