Objective: The article explores issues surrounding the definition of legal world order and security in the post-Cold War era, examining the expanding concept of security within the context of globalization. It aims to analyze theoretical approaches to international security and its development in a changing global landscape.
 
 Methods: The study employs a combination of dialectical and hermeneutic principles for analyzing the subject matter. It uses systemic-structural and functional methods to investigate the role of international organizations in global security. Various research methods, such as analogy, historicism, formal-logical analysis, and situational analysis, are applied to examine the issues under consideration.
 
 Results: The article highlights several key findings, including the diminishing authority of the United Nations (UN) as a universal international organization in the present global context. It emphasizes the need for the international community to address the geopolitical changes and challenges of the 21st century. The current state of world politics is characterized by perpetual global instability, and existing peacekeeping and peacemaking mechanisms have shown limitations in addressing modern hybrid challenges and threats.
 
 Conclusions: In conclusion, the article argues that the existing system for managing international relations is insufficient for the 21st century. It underscores the importance of streamlining relations between sovereign states, modernizing multilateral institutions, and establishing an effective oversight body to strengthen the global security system. The study advocates for the development of new international legal norms, including various aspects of international cooperation and the enhancement of international institutional structures to combat emerging global challenges. The future of humanity depends on the timely and effective implementation of these measures.
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