Sociology of peace, war, and social conflict
The sociological study of peace, war, and social conflict uses sociological theory and methods to analyze group conflicts, especially collective violence and alternative constructive nonviolent forms of conflict transformation. Its concepts have been applied to current wars (such as the War in Ukraine) and John D. Brewer notes that ordinary people, as opposed to politicians, can promote peace in post-conflict situations, based on ethics and "moral duty".
Source: Wikipedia — Sociology of peace, war, and social conflict (CC BY-SA 4.0)