Here are entered works on military conflicts that are instigated by, or fought on behalf of, countries which are not directly involved in the conflict, usually as a substitute for fighting each other directly. Works on warfare between adversaries, at least one of whom is a non-state actor seeking to undermine the established political authority through both indirect and conventional military means, are entered under Irregular warfare.
Prudent person rule -- United States. / https://id.loc.gov/authorities/subjects/sh94005867 https://id.loc.gov/authorities/names/n78095330-781 : Longstreth, Bevis.