These are the five besetting sins of a general, ruinous to the conduct of war.
凡此五者,将之过也,用兵之灾也。
英语百科
Law of war
The law of war is a legal term of art that refers to the aspect of public international law concerning acceptable justifications to engage in war (jus ad bellum) and the limits to acceptable wartime conduct (jus in bello or International humanitarian law).