TY - BOOK AU - PRESTON Diana TI - A higher form of killing: six weeks in World War I that forever changed the nature of warfare SN - 9781620402122 (hbk.) : PY - 2015/// CY - New York PB - Bloomsbury Press KW - GERMANY KW - ARMED FORCES KW - WEAPONS SYSTEM KW - ARMED FORCES KW - MILITARY OPERATIONS, NAVAL KW - SUBMARINE N1 - Includes bibliographical references (pages 315-324) and index N2 - Each of these actions violated rules of war carefully agreed at the Hague Conventions of 1898 and 1907. Though Germany's attempts to quickly win the war failed, the psychological damage caused by these attacks far outweighed the casualties ER -