The International court of Justice (ICJ) as the main judicial pillar of the United Nations has dealt with several disputes and issued different verdicts as obligatory or advisory. These verdicts are of great importance for the parties of dispute and for all subjects of international law.
The ICJ has referred to some new concepts in its verdicts which are valuable in international law structure. Analyzing the verdicts and ideas of the court on these concepts in particular and on international law in general, would help us to better understand the concepts in international law.
Among the most prominent concepts of international law developed by ICJ is the concept of Erga Omnes obligations. The court has introduced this concept and has tried to determine the borders and extent of it. The concept of Erga Omnes obligations could be defined as the obligations of the states toward international community in general.
This article aims to assess the role of the ICJ in introduction and development of this concept related to general international order.
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� el�+(�*ble or remain as a utopian ideal? The current article aims to study the nuclear disarmament theoretically and to see what theories of international relations are appropriate to analyze the nuclear disarmament. Giving some evidences of international efforts and current trends, the author will consider the possibility of success for these efforts. 
 
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