The role and function of the great powers in the establishment, consolidation and global expansion of international law

In the opinion of many scholars, international law has grown and formed in the pursuit of the goals of the great powers in the recent century. On this basis, the role of the great powers in the formation and development of international law is somewhat vague and contradictory. In this toward, the question is: Why and how great powers of the international system are determinative In the formation and expansion of international law? it seems that the great powers, due to the position they possess in terms of their capabilities, through institutionalization, the formulation of treaties, the interpretation of norms and by normalization, they play a key role in shaping and expanding international law. legal rules and international institutions can reduce the cost of maintaining the system and increase the legitimacy of the actions of great powers. So the present study claims great powers are shaper, stabilizers and advocates of legal rules. The present study intends to study the role of international powers in the creation and expansion of international law based on a descriptive-analytical method and using historical data and utilizing library practices.