Class One. Two types of war (that are Mitzvah) 1) to conquer, 2) to destroy. These are the wars of 1) the seven nations, 2) Amalaik.
Class Two. The war with Amalaik is destroy, as they are the essence of evil. The idea that everything must be for Hashem’s honor. How is destroying Amalaik in His honor? Three answers: 1) To demonstrate that what opposes Him cannot exist, 2) The inspiration of Yidden that Amalaik gives, 3) The will of Amalaik itself is transformed, like the idea that his descendants were learning Torah.
