Here’s one analysis, from Jack Quirk at Christian Democracy: The Catechism of the Catholic Church explains the just war doctrine this way: “All citizens and all governments are obliged to work for the avoidance of war. “However, ‘as long as the danger of war persists and there is no international authority with the necessary competence and power, governments cannot be denied the right of lawful self-defense, once all peace efforts have failed.’ “The strict conditions for legitimate defense by military... Read more