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A German U-boat torpedoed and sank the RMS Lusitania in May 1915. 1,198 persons died, including over 100 American civilians.

Understandably, public opinion in the US was stirred to anger by the unprovoked attack on a ship that was obviously a passenger liner. The slogan "Remember the Lusitania!" became popular at the time, much as "Remember the Maine" had been nearly twenty years earlier.

However, it is difficult to point to a direct connection between the sinking of the Lusitania in May 1915 and the US entry into the war in April 1917 -- nearly two full years later. While the attack on the Lusitania was certainly in the minds of many people, it had likely become a fairly minor issue after two years.

A great many other ships were sunk by U-boats during that two-year period, many of them flying the flag of the technically-neutral US. (The Lusitania sailed under the British flag, and Britain and Germany were at war with each other in May 1915.)

Other issues were more directly responsible for the US decision to enter the war. The most notable issue was overt collaboration between Germany and Mexico, in which Germany offered to assist Mexico in invading and reclaiming the US states of Texas, Arizona, and New Mexico. Germany's goal was to so occupy the US with preserving its southwestern states that it would be too busy to bother with a European war.

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It turned public opinion in the US against Germany.

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Q: The German sinking of the Lusitania during World War 1 did what?
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What evidence is there that German-Americans were discriminated against in the US during World War 1?

the sinking of the British ocean liner Lusitania

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One of the most notorious instances of a German submarine sinking a passenger ship was the sinking of the RMS Lusitania on May 7, 1915. The Lusitania was a British ocean liner that was torpedoed by a German U-boat off the coast of Ireland during World War I, resulting in the deaths of over 1,100 passengers and crew. The sinking of the Lusitania contributed to the eventual entry of the United States into the war.

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German subs sinking the Lusitania and the Zimmermann Telegram.

What does the Lusitania have to do with World War I?

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What was the British liner that was sank by the German's in 1915?

The British liner that was sunk by the Germans in 1915 was the RMS Lusitania. The sinking of the Lusitania was a significant event that contributed to the entry of the United States into World War I.

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The sinking of the Lusitania and German submarines in American waters

Which country was responsible for sinking the british passenger liner lusitania in may 1915?

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Why is the Mauritania's sister ship the Lusitania famous?

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