The first task of the doctor is ... political: the struggle against disease must begin with a war against bad government." Man will be totally and definitively cured only if he is first liberated.
Wars are no longer waged in the name of a sovereign who must be defended; they are waged on behalf of the existence of everyone; entire populations are mobilized for the purpose of wholesale slaughter in the name of life necessity: massacres have become vital.
One makes war to win, not because it's just.