Is present in the form of Jus ad bellum- making the decision to go to war in the first place, this can either be in anticipatory self-defense, such as in Ukraine or in the case of R2P, when we need to intervene on behalf of another state. However, even during war, jus in bello is applied, ensuring that there is a certain conduct, one that Russia does not follow and how US and others messed up R2P. The minimum amount of force is used to achieve legitimate military objectives.