...differs according to which Christian leader one is reading. We can start the discussion with an explanation of Just War Theory, which says that sometimes there is moral justification for resorting to a an armed conflict between states (Stanford Encyclopedia of Philosophy, 2005). Just war theory was supported by such Christian notables as Augustine and Aquinas; it was also supported by others such as Grotius, Vitoria and Walzer (Stanford Encyclopedia of Philosophy, 2005). A great deal of credit is given to Augustine for founding just war theory but others also contributed greatly to this perspective of ethics and war, dating back to Aristotle (Stanford Encyclopedia of Philosophy, 2005).
There are three large categories comprising Just War Theory:
1) jus ad bellum, which concerns the justice of resorting to war in the first place; 2) jus in bello, which concerns the justice of conduct within...