19 - Chapter 19: TELESCOPING THE TIMES The First World War...

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Chapter 19: TELESCOPING THE TIMES The First World War Section 1: World War I Begins MAIN IDEA As World War I intensified, the United States was forced to abandon its neutrality. Four factors contributed to the outbreak of World War I in Europe: • Nationalism: tensions grew as nations pursued only their own interests. • Imperialism: rivalries increased as nations jockeyed for power around the world. • Militarism: the nations developed strong armed forces to back up their growing empires. • Alliances: a series of treaties grouped the nations of Europe into two armed camps. The war broke out in 1914 when a Serb killed the heir to the throne of Austria-Hungary. The alliance system resulted in Russia defending Serbia against Austria-Hungary. Germany supported Austria-Hungary and then declared war on Russia’s ally, France. So Great Britain, France’s ally, declared war on Germany. Armies soon opposed each other across a system of trenches. Although neither side gained territory, hundreds of thousands of soldiers died. The United States refused to join either side. Over time, though, stories of German atrocities and close economic ties to Great Britain and France moved Americans toward the Allied camp. A blockade prevented food and fertilizer from reaching Germany. As thousands of people starved, Germany struck back with submarine attacks on ships going to Great Britain. U.S. public opinion turned against Germany when some Americans died in these attacks. Still, President Wilson resisted entering the war, winning re-election with the slogan “He kept us out of war.” In January 1917, he suggested that the warring powers agree to a peace. Germany responded that submarine attacks would resume—and sink American ships. Finally, Wilson asked Congress to declare war on Germany. It did on April 6, 1917. Section 2: American Power Tips the Balance
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19 - Chapter 19: TELESCOPING THE TIMES The First World War...

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