美国关税一天涨五个点，欧盟刚掏钱就作废，这事儿真不是闹着玩的

Group 1 - The recent court ruling limits the President's power to impose tariffs, stating that national security cannot be an all-encompassing excuse for trade negotiations [1][3] - Following the court's decision, the White House issued a new order to increase tariffs on Europe from 10% to 15%, indicating a shift in strategy despite previous temporary concessions [1][3] - The European Union (EU) has made concessions in negotiations, such as agreeing to establish battery plants and chip joint ventures in Europe, but these efforts have not yielded tangible results [3][5] Group 2 - The EU faces significant challenges in confronting the U.S. due to its reliance on American military support and the economic impact of potential tariffs on European exports [5][7] - Recent EU actions include investigating U.S. tech companies for government subsidies and implementing new regulations on battery materials, indicating a shift towards reducing dependency on the U.S. [7][8] - The evolving geopolitical landscape suggests that traditional alliances are becoming more fluid, prompting Europe to quietly adapt its strategies and regulations to mitigate reliance on the U.S. [8]