Alasan Korea Selatan Menyepakati Perjanjian Three No’s Pasca Boikot dari Tiongkok Terkait THAAD (Terminal High Altitude Area Defense)

South Korea installed an anti-missile defense device, namely the Terminal High Altitude Area Defense (THAAD) to protect itself from North Korea's nuclear threat. However, with the installation of THAAD, it caused disapproval from China, which felt that the welfare of its country would be disrupted from the THAAD installed by South Korea, so to stop this, China, which has a big role in economic cooperation with South Korea, targeted this and carried out an economic boycott of South Korea. South Korea which inflicted considerable losses on South Korea so that this conflict with China must be resolved immediately. This study uses an explanatory research method which is analyzed using qualitative methods. The author uses the theory of rational actors and assertive concepts. To collect data, researchers used secondary data in the form of library data obtained through journals, books, theses, official websites, and online daily news. The results of this study indicate that the conflict caused by the installation of THAAD by South Korea resulting in a boycott of the economy by China can be resolved by the formation of an agreement called the Three No's Agreement