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With the British blockade, it became hard to get supplies to soldiers, as well as many other issues that were made hard for Germany. So they developed a devastating new weapon that they called "u-boats". These were armed with devastating torpedoes which could destroy neutral shipping and passenger liners. In a twist, something that made militaristic sense contributed to there own loss, since the American citizens and ships affected by this type of warfare, along with the Zimmerman tellegram, persuaded them to join the war.

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13y ago

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