中美外长已谈完，不到24小时，韩国放出消息，特朗普逼李在明二选一

Group 1 - The U.S. government is pressuring South Korea to join a coalition to curb China's shipbuilding industry, threatening high tariffs and port fees if they refuse [1][3] - The U.S. has imposed a 25% tariff on South Korea and Japan, with the deadline for "reciprocal tariffs" extended to August 1 [1][3] - South Korea's economy is heavily reliant on China, with trade with China accounting for a quarter of its foreign trade and over 40% dependency on semiconductors [3][5] Group 2 - South Korean President Lee Jae-myung faces a dilemma due to the U.S. pressure, balancing relations with both the U.S. and China [3][7] - Lee's strategy involves sending envoys to China, Japan, and the U.S. to restart high-level communications and revealing U.S. pressure tactics to both sides [3][7] - China's response includes calls for dialogue and opposition to agreements that harm third-party interests, emphasizing its strategic resource leverage over South Korea [5][7] Group 3 - The situation highlights the structural contradictions faced by small countries in great power rivalries, with South Korea's security dependence on the U.S. and economic reliance on China [7] - The outcome of this geopolitical struggle will significantly impact the trilateral relations between China, the U.S., and South Korea [7]