Among some of the topics discussed by Thomas Aquinas in On Law, Morality, and Politics is the dilemma of war and murder. Thomas Aquinas summarizes the legality of war through three criteria: that the war is waged by a legitimate authority, that the war is just because the enemy has done something serious, and that the intention of the war is only to repair the harm. We also see Aquinas saying that the killing of an innocent person is justified if God wills it. Aquinas argues that one of the purposes for justifying war is when a legitimate authority declares it. As a general rule, it is usually the highest leaders of a country who count as legitimate authority. However, in the United States, it is not the president who can legally declare war, but Congress (but after World War II, not all wars the United States was engaged in were officially declared). by Congress). However, even though the wars following World War II may not have been official wars within the meaning of the Constitution, for Aquinas they remain the criterion for a war waged by a president which is still a legitimate authority. “Because it does not belong to any private sector....