Ferdowsi University of Mashhad Press Iranian Research letter of International Politics 2322-3472 11 2 2023 03 21 The impact of changes in the polarization structure of the international system on the Middle East security (1980-2021) The impact of changes in the polarization structure of the international system on the Middle East security (1980-2021) 79 98 42885 10.22067/irlip.2022.72548.1154 FA Ali Esmaeili Assistant Professor of Political Science, Islamic Azad University, Bushehr Branch, Bushehr, Iran 0000-0002-4856-3035 Mohammadali Shahryari Assistant Professor of Political Science, Islamic Azad University, Bushehr Branch, Bushehr, Iran Mohammad Parsa Graduated the Political Science of Islamic Azad University, Bushehr Branch, Bushehr, Iran Journal Article 2021 09 16 Middle East; Complex regions, with an intertwined structure and the structure of the international system, which includes the security of the region as well as the foundation of international relations of states in the future. The aim, therefore, is to answer the question of what effect the polarization developments in the international system between 1980 and 2021 have had on the conflicts and security of the Middle East? It can be said that the Middle East region is facing a pervasive and comprehensive insecurity due to the internal situation and the structure of the international system, so such regions can not, in terms of security, the impact of the international system on their orientations, policies and strategies. To prevent. In the current era of the international system, this influence on the Middle East sub-system has been very special. The findings of this study are based on the fact that with the disappearance of the bipolar system in 1991 and the emergence of the US-led unipolar system, the Middle East has experienced systemic turmoil, and the monopoly system (US) in 1991-2021 more than the bipolar system (America and the Soviet Union) In the years 1980-1991, he was influential in creating conflict and war in the Middle East. The expansion of the depth and scope of political, social, economic, and cultural instability in the Middle East is one of the consequences of such a situation. The research method is descriptive-analytical and using library resources. Middle East; Complex regions, with an intertwined structure and the structure of the international system, which includes the security of the region as well as the foundation of international relations of states in the future. The aim, therefore, is to answer the question of what effect the polarization developments in the international system between 1980 and 2021 have had on the conflicts and security of the Middle East? It can be said that the Middle East region is facing a pervasive and comprehensive insecurity due to the internal situation and the structure of the international system, so such regions can not, in terms of security, the impact of the international system on their orientations, policies and strategies. To prevent. In the current era of the international system, this influence on the Middle East sub-system has been very special. The findings of this study are based on the fact that with the disappearance of the bipolar system in 1991 and the emergence of the US-led unipolar system, the Middle East has experienced systemic turmoil, and the monopoly system (US) in 1991-2021 more than the bipolar system (America and the Soviet Union) In the years 1980-1991, he was influential in creating conflict and war in the Middle East. The expansion of the depth and scope of political, social, economic, and cultural instability in the Middle East is one of the consequences of such a situation. The research method is descriptive-analytical and using library resources. https://irlip.um.ac.ir/article_42885_e1f13985a81ad813108a1e0d6f4f4ad2.pdf