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The United States joined World War I in April 1917 primarily due to unrestricted submarine warfare by Germany, which threatened American shipping and lives. The sinking of ships like the Lusitania, combined with the interception of the Zimmermann Telegram—where Germany sought an alliance with Mexico—fueled public and political support for entering the war. Additionally, the U.S. aimed to protect its economic interests and promote the idea of making the world "safe for democracy."
What else can I help you with?
Why and when did the US join World War 1?
The us joined ww1 in the year of 1917.
Who did the us join in war world one and why?
Yu mean how* not who* & the us join the ww1 cause they wanted to become a world power & joinin world would defently help.
Which group did the US join in World War 1?
The Triple Entente
Why was the US originally neutral in world war 1?
most americans saw no reason to join the struggle
What nations actions caused the US to join world war 1?
The sinking of the LUSITANIA is what first caused the U.S. to join this disastrous of all wars, and
Why did US not join World War 2?
The u.s did join WW2
When the US join World War 1?
They joined the war in 1917.
When us join world war 1?
They joined the war in 1917.
When do US join World War 2?
in 1956
When do the us join world war 2?
in 1956
When did US join forces with the the british?
World War I
When the us join the world war 2?
The 8th of December 1941 was the date that the US joined world war 2
Which Ally did the US join in World War 2?
England
When US join World War 2?
They joined in1941
Why did the US join the conflict of World War 2?
zoosk
What side did the US join on the world war 2?
The Allies
Why and when did the US join World War 1?
The us joined ww1 in the year of 1917.
