One of the main issues faced by the North Atlantic Treaty Organization (NATO) in the post-Cold War period has been the continued existence of the organization and accommodating its goals and agenda with the new world conditions. NATO in this relation has made utmost efforts within the past two decades and by making a kind of identity transformation in its functions and missions, not only did not collapse as its old rival did, but also managed to attract new member states in various parts of the world, expanding its functions to new subjects. This paper tries to study the new structure of the international system according to the constructivist identity theories and explore the method of change in NATO's function, the expansion of the organization's presence in Eurasia and its future objectives among the regional countries which enjoy high geopolitical importance.
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