1. INTRODUCTION On this day, the most critical issues confronting humankind are in the territories of worldwide relations, where free, egoistic countries confront one another in conditions resembling anarchy. Most of those interactions take the shape of an iterated Prisoner 's dilemma such as an arms races, nuclear proliferation, crisis negotiation and military escalation. Today countries communicate without central authority. In this manner the prerequisites for the development of cooperation have importance to a considerable amount of the focal issues of international politics. A decent example of the fundamental problem of cooperation is the situation where two modern countries have raised trade barriers to each other’s exports. Due to the shared preferences of free trade, both nations would be better off if these barriers were eliminated. Anyhow if either nation were to singularly dispose of its barriers it would end up confronting terms of exchange that damage its own particular economy. The quest for self-interest by each prompts a poor result for all. The opportunity for common gain from cooperation comes into play when the gains from the other 's cooperation are more noteworthy than the costs of one 's own cooperation. Popular game theory proposes that nations endeavour to amplify their benefits in every circumstance. At the same time, in democratic societies, governments and leaders need to stress over sanctions forced by the expenses of motioning, of cooperating,