特朗普关税施压没用？关键时刻，美逼迫韩国“协防台海”，李在明早已给出答案，美失望了

Group 1 - The core argument of the article highlights the failure of U.S. pressure tactics on South Korea, as President Yoon Suk-yeol employs a diplomatic strategy to counteract the dual pressure from the Trump administration [1][3] - The U.S. has threatened to impose a 25% tariff on South Korean shipbuilding unless cooperation is achieved, but South Korea has proposed a multi-billion dollar investment plan to support U.S. shipbuilding, effectively turning the tariff threat into a job creation opportunity for the U.S. [3][10] - The U.S. has also requested South Korea to expand the scope of the U.S.-South Korea Mutual Defense Treaty to include the entire Indo-Pacific region, indicating a desire for South Korea to participate in conflicts in the Taiwan Strait or South China Sea [3][5] Group 2 - South Korea's defense budget is under pressure to increase from 2.3% of GDP to 5%, which would raise military spending from approximately $50 billion to over $100 billion [5] - The article describes the U.S. approach as "double extortion," with South Korea's media echoing this sentiment, indicating a growing frustration with U.S. demands [5] - President Yoon's statement that "the Taiwan issue has nothing to do with South Korea" marks a significant shift in South Korea's stance in the U.S.-China rivalry, reflecting a desire to avoid past mistakes that led to strained relations with China [5][12] Group 3 - The article outlines three failures of U.S. strategies in East Asia: economic pressure has backfired as South Korea finds ways to counteract tariffs, military alliances are showing cracks with South Korea's refusal to comply, and the U.S. is losing leverage over the Korean Peninsula as inter-Korean relations improve [10][11][12] - South Korea's economic ties with China are emphasized, particularly in the semiconductor industry, where over 60% of South Korea's exports are directed to China, providing a potential alternative market if U.S. restrictions are imposed [7][9] - The article suggests that South Korea's recent moves towards cooperation with China in sectors like renewable energy and electric vehicles are strategic efforts to mitigate risks associated with U.S. pressures [9][12]