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Chapter 2 1. Aim: to identify the causes of WWI Do now: How can expanding your empire lead to war?. Chapter 21 Section 1. Origins of WWI 1914 tensions in Europe erupted into war America was a world power but tried to keep out of war in Europe. Chapter 21 Section 1. Militarism
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Chapter 21 Aim: to identify the causes of WWI Do now: How can expanding your empire lead to war?
Chapter 21Section 1 Origins of WWI • 1914 tensions in Europe erupted into war • America was a world power but tried to keep out of war in Europe
Chapter 21Section 1 Militarism • Imperialism leads to rise in militarism = glorification of the military • Military leaders gain political support
Chapter 21Section 1 Alliance Systems • With tensions, alliances formed • Germany aligned with Austria-Hungary • Britain and Russia pledged to come to one another's aid if attacked
Chapter 21Section 1 Imperialism • Imperialism = building empires by imposing outside rule over peoples around the rule. • European nations competed for trade and territory
Chapter 21Section 1 Nationalism • Different groups sought to break free from the nations that captured them • Nationalism = pride in ones country
Chapter 21 Aim: to identify the start of WWI Do now: What are the main causes that lead to WWI?
Chapter 21Section 1 War Begins • June 28, 1914 Franz Ferdinand assassinated by Serbian national • July 29, 1914 Austria-Hungary declared war on Serbia • Alliance system drew more than 20 countries into war
Chapter 21Section 1 War Begins • Allies = Britain, France and Russia • Central Powers = Germany, Austria-Hungary and Ottoman Empire
Chapter 21Section 1 Deadliest War • Both sides hoped for quick victory • Stalemate = deadlock or standstill, lasted 3 years • Western Europe, soldiers use Trench Warfare = soldiers fire on one another from opposing lines of dug out trenches
Chapter 21Section 1 Deadliest War • Technological advances make war more lethal • Scouting planes, armored tanks and rapid fire machine guns raised the death toll • Poison gas most feared, used by both sides
Chapter 21 Aim: to explore how the U.S. enters WWI Do now: What single event led to the start of WWI?
Chapter 21Section 1 American Neutrality • President Woodrow Wilson sought to keep U.S. out of war • Americans divided between who they supported • Britain used propaganda to win over the Americans Propaganda= spread of information designed to win support for a cause.
Chapter 21Section 1 Supplying the Allies • Legally, American firms were free to sell to both sides • Most American trade was with the Allies • Britain blockaded supplies to Germany
Chapter 21Section 1 The Lusitania • Germans had large supply of U-Boats • May 7, 1915 a U-Boat sank a British passenger ship call the Lusitania • 128 of the 1,200 people that died were Americans
Chapter 21Section 1 Entering the War • Wilson was reelected on the slogan “He kept us out of war” • He called on the warring nations for peace • A German note to Mexico known as The Zimmermann Telegram was intercepted by the British in 1917
Chapter 21Section 1 Entering the War • The telegram proposed that Mexico join the war, in turn, Germany would help them “reconquer” New Mexico, Texas and Arizona • The Zimmerman Telegram was released to the press, angering all Americans
Chapter 21Section 1 Declaring War • On April 2, 1917 Wilson asked Congress to declare war against the Central Powers • After nearly three years, the United States was at war