Introduction
Perhaps the profound horror of great wars is stay deeply in human mind. Scholars are trying to find the reasons why some countries fight together but some are not in order to understand the way to end war. The study of ‘democracies do not fight each other’ has been done during the past few decades. Immanuel Kant, a German philosopher, had first developed this concept. He argued that there is a perpetual peace if all states are republic (Kant 2007, 13). The concept of republic is very similar with the concept of democracy nowadays. He illustrated that free people are inherently peaceful. Since there is a representative government, democratic states will not go to war because