American troops advancing on the Western Front, March 1918. The United States became directly involved in World War I after declaring war on Germany on April 6, 1917.

The United States entered into World War I on 6 April 1917, more than two and a half years after the war began in Europe. Apart from an Anglophile element urging early support for the British and an anti-Tsarist element sympathizing with Germany 's war against Russia, American public opinion had generally reflected a desire to stay out of the war.

2 天之前 · The entry of the United States was the turning point of the war, because it made the eventual defeat of Germany possible. It had been foreseen in 1916 that if the United States went to war, the Allies’ military effort against Germany would be upheld by U.S. supplies and by enormous extensions of credit.

The United States campaigns in World War I began after American entry in the war in early April 1917. The American Expeditionary Force (AEF) served on the Western Front, under General John J. Pershing, and engaged in 13 official military campaigns between 1917 and 1918, for which campaign streamers were designated.

The United States suffered 53,402 battle deaths in World War I, in less than six months of fighting. Another 63,114 died from accidents and disease. After the Civil War and World War II, World War I is the deadliest war in American history.

2023年1月12日 · The participation of the United States in World War I played an important role in shaping the future of the nation. The war effort helped to spur industrialization and economic growth, and also saw a significant number of women and minorities join the workforce.

On April 6, 1917, the United States of America officially entered World War I. Over the next year and a half, millions of Americans served overseas and supported the nation’s war effort at home. Their contributions helped win the war and shaped both America and the world for generations.

2017年4月6日 · The United States entered World War I in 1917, following the sinking of the British ocean liner Lusitania and the shocking discovery of the Zimmermann telegram.

Learn about the events that led the U.S. to enter WWI in 1917. Why did the U.S. Fight in WWI? Why did America enter World War I? When WWI began in Europe in 1914, many Americans wanted the United States to stay out of the conflict, supporting President Woodrow Wilson’s policy of strict and impartial neutrality.

Learn about the United States in World War I. The U.S. began neutral but was pulled into the war by the Germans. The influx of fresh troops and resources turned the tide of the war in favor of the Allies.