Germans resume U-boat warfare - AMERICAN HERITAGE
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www.americanheritage.comI don’t have live access to the latest news feeds right now. Here’s a concise update based on established historical context and common knowledge up to 2026:
- In 1917, Germany did resume unrestricted submarine warfare, a policy shift announced January 31, 1917, with effect starting February 1, 1917. This marked a return to attacking civilian and merchant ships without warning to strangle Britain’s supply lines and helped push the United States toward entry into World War I.[2][3][7]
- The move was highly consequential: it intensified U-boat campaigns, provoked stronger Allied naval responses, and contributed to the deterioration of German–American diplomatic relations, ultimately contributing to the U.S. declaration of war in April 1917.[7][2]
- The policy proved risky for Germany, as it drew the United States fully into the conflict and intensified Allied anti-submarine efforts, with overall strategic outcomes debated by historians.[3][2]
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