特朗普终于签字，但希望中国能够掏钱买美国货，不料关键时刻美军出动，在黄岩岛叫板中国！

Group 1: Trade Relations - The U.S. has postponed the significant increase in tariffs on Chinese goods for an additional 90 days, indicating a strategic maneuver to address trade negotiations with other countries before refocusing on China [1] - Trump has urged China to significantly increase its purchases of U.S. soybeans, aiming to reduce the trade deficit, despite the fact that U.S. soybean sales to China have plummeted to a 20-year low [3] - Brazil has become the dominant supplier of soybeans to China, capturing nearly 70% of China's imports due to zero tariffs and price advantages, while U.S. soybeans struggle under a 23% punitive tariff [3] Group 2: Military Tensions - Following the tariff extension, the U.S. Navy's "Higgins" destroyer entered Chinese territorial waters, escalating military tensions in the South China Sea [5] - The timing of the U.S. military actions appears to be a calculated move to disrupt ongoing negotiations between China and ASEAN regarding the South China Sea Code of Conduct [5] - The U.S. military's provocative actions are increasingly viewed as ineffective, with allies like Japan and Australia showing reluctance to engage in joint military operations in the region [6] Group 3: Regional Dynamics - The Philippines seems to miscalculate its reliance on U.S. military support, overlooking its geographical proximity to China, which could leave it vulnerable in the event of escalated tensions [7]