title: The Establishment and Evolution of Modern World International Relations System
abstract: Thirty Years War is the start of the history of international relations in Europe,Westphalian system creating a international relations system.Then there has appeared Vienna system,Bismarck continental system,Versailles- Washington system,Yalta system. The establishment of international relations system is accompany with the wars and changes of country' s foreign policy. With the disintegration of the old system,the new international relations system is gradually establishing in21 century. This 