This study investigates the consequences of classical theory on war and peace, as it responds to Plato's and Aristotle's works. The Greek philosophers dealt with the causes of war and the conditions of peace and tried to solve the serious problems that arise from them, considering them as the most important opposing conditions of macropolitics. Here we will explore the way in which the two philosophers expose and explain the existence of organized violence on a large scale, and their related proposals for the establishment and maintenance of a better and more peaceful world. Although the ideas and practice of the Greeks twenty-five centuries ago have been just a single example in world history