What Was Unrestricted Submarine Warfare Quizlet?
What Was Unrestricted Submarine Warfare Quizlet? The action of submarines shooting down other ships without warning. What is unrestricted submarine warfare ww1 quizlet? Unrestricted Submarine Warfare. the use of submarines to sink without warning any ship (including neutral ships and unarmed passenger liners) found in an enemy’s waters. What is submarine warfare quizlet? A type