Proportionality, Defensive Alliance Formation, and Mearsheimer on Ukraine
Journal: Etikk i praksis - Nordic Journal of Applied Ethics
Year: 2023

In this article, I consider the permissibility of forming defensive alliances, which is a neglected topic in the contemporary literature on the ethics of war and peace. Drawing on the jus ad bellum criterion of proportionality in just war theory, I argue that if permissible defensive force requires that its expected harms must be counterbalanced by its expected goods, then, permissible defensive alliance formation seems to also require that its expected harms must be counterbalanced by its expec