Germany used unrestricted submarine warfare to prevent the US from resupplying Allied forces during World War I. This tactic involved attacking merchant ships without warning and significantly impacted US-German relations. The sinking of the Lusitania was a notable event that led to increased tensions and the eventual entry of the US into the war. ;
Germany used unrestricted submarine warfare to prevent the US from resupplying Allied forces during World War I. This tactic involved attacking ships without warning, directly impacting relations with the US, especially after the sinking of the Lusitania. The strategy ultimately led to increased tensions and the eventual entry of the US into the war.
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