• 바로보기 02__Eunil Cho.pdf
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This preliminary study focuses on the change in the regional security order caused by the U.S.-China competition and its impact on South Korea-Japan relations. The ongoing U.S.-China relations has expanded beyond the discussion of cooperation and competition between existing and emerging powers, as well as the debate over the influence and resilience of the U.S.-led liberal international order. The significance of the U.S.-China competition in the security order in East Asia depends on whether China will accept the existing U.S.-led bilateral alliance system and take a status quo attitude. As a result, the U.S. allies, South Korea and Japan, need to respond sensitively to the changing nature of the security order. In this vein, this study explains the East Asian security order as elements of power structure, institutions, and actors. In addition, it explains the emergence of China as a new hegemonic power due to the U.S.-China competition, the hub-and-spokes system changes according to the U.S. rebalancing policy, and the emergence of Trumpism. Through this, the author argues two claims. First, the change in U.S.-China relations has led to different expectations between Seoul and Tokyo for cooperation with the United States, which has hindered bilateral cooperation between them. Second, divergent views on China also hinder South Korea-Japan cooperation. Through the Senkaku dispute between Japan and China and the missile deployment dispute between South Korea and China, the two countries later showed different directions in their policy toward China. In the current competitive situation, restrictions on South Korea-Japan relations are inevitable. However, if the opportunity to promote security cooperation between South Korea and Japan is sought, it will be able to show the cooperation of middle power countries that can develop the security order to mitigate the intensity of U.S.-China competition.