ask your self
American enterance into WWI.
unrestricted submarine warfare
To get the blockade lifted.
Unrestricted submarine warfare is a naval war tactic in which the submarine attacks merchant ship (or any ship not in the navy) without warning. Germany used this tactic on American vessels at the start of WW1, and that is a major reason that the US joined the war effort against the Germans.
In WW1, the German policy of unrestricted submarine warfare irritated neutral nations such as the United States and eventually helped public opinion to support the US entry into the war. In WW2 the German policy of unrestricted submarine warfare in the Atlantic irritated nominally neutral nations such as the United States and provided a rationale for increasing US support of Britain and its allies. In WW2 the American policy of unrestricted submarine warfare in the Pacific probably contributed to the degradation of Japanese economic capabilities as the war progressed.
American enterance into WWI.
unrestricted submarine warfare
Germany's unrestricted submarine warfare
it was Germany.
unrestricted submarine warfare
Germany's submarine warfare was unrestricted. These attacks led to World War I.
Germany practiced unrestricted submarine warfare.
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Help end the British blockade
it referred to sinking ships
To get the blockade lifted.
Unrestricted submarine warfare is a naval war tactic in which the submarine attacks merchant ship (or any ship not in the navy) without warning. Germany used this tactic on American vessels at the start of WW1, and that is a major reason that the US joined the war effort against the Germans.