U.S. Involvement in World War I

The United States' entry into World War I marked a significant shift from neutrality to engagement in global conflict. Key events such as the sinking of the RMS Lusitania, the revelation of the Zimmermann Telegram, and the strategic contributions of American forces under General Pershing played pivotal roles. These actions not only influenced the war's outcome but also shaped the post-war peace process and signaled a new era of U.S. involvement in international affairs.

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The United States' Road to Intervention in World War I

At the outbreak of World War I in 1914, the United States under President Woodrow Wilson was determined to remain neutral, avoiding the complex web of European alliances and conflicts that did not seem to threaten American interests directly. The U.S. aimed to continue its trade with all nations at war without favoring any side. However, as the war progressed, a series of events, including attacks on American ships and citizens, would challenge this stance and ultimately lead to U.S. involvement in the conflict.
WWI American infantry soldier in olive drab uniform with campaign hat, holding a Springfield M1903 rifle, against a backdrop of European rolling hills.

The Sinking of the RMS Lusitania and the Escalation of Submarine Warfare

The German policy of unrestricted submarine warfare, which threatened neutral shipping and the lives of non-combatants, became a central issue for the United States. The sinking of the British passenger liner RMS Lusitania by a German U-boat on May 7, 1915, resulted in the deaths of 1,198 civilians, including 128 Americans. The incident caused widespread condemnation in the United States and put pressure on the Wilson administration to take action against Germany. Although the Lusitania was found to be carrying munitions, the loss of civilian lives played a significant role in turning American public opinion against Germany.

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1

Despite initial neutrality, events such as assaults on ______ vessels and nationals eventually propelled the ______ into the fray of ______.

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American U.S. World War I

2

Consequence of German unrestricted submarine warfare for US

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Threatened neutral shipping, non-combatant lives, pressured US to act against Germany.

3

Date and victim of notable German U-boat attack

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RMS Lusitania sunk on May 7, 1915.

4

Content aboard Lusitania affecting neutrality perception

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Lusitania carried munitions, complicating US stance on neutrality.

5

In ______, British cryptographers cracked a covert message from Germany to Mexico, suggesting a ______ against the United States.

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January 1917 military alliance

6

US Entry into WWI Date

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April 1917 - US joined WWI aiding Allied powers.

7

Nickname for American Soldiers in WWI

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'Doughboys' - Term for US soldiers arriving in Europe in 1917.

8

US Support Beyond Troops in WWI

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Financial/material aid - Crucial for sustaining Allied war effort.

9

During the peace talks, the ______ had a notable impact, with President ______'s ______ Points shaping the ______ of Versailles.

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U.S. Wilson Fourteen Treaty

10

Factors prompting U.S. WWI entry

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German aggression, diplomatic errors, and threats to U.S. interests led to abandoning neutrality.

11

U.S. impact on WWI and post-war

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U.S. intervention tipped battlefield balance and influenced the shaping of the post-war order.

12

WWI's influence on U.S. foreign policy

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WWI experience established U.S. as a key global player, informing contemporary diplomatic strategies.

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