Question

प्रथम विश्व युद्ध में अमेरिका कब शामिल हुआ और क्यों
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Answer 1

Answer:

The United States joined the First World War on 6 April 1917, but the path of war was decided two months ago. The German government had then decided to resume the war policy of non-restricted submarine strikes on coastal waters around the British Isles.