刚刚！特朗普关税政策，重大变数！

Core Viewpoint - The article discusses significant changes in Trump's tariff policy, particularly regarding tariffs on Canadian goods and the potential withdrawal from the USMCA (United States-Mexico-Canada Agreement) [2][3][8]. Group 1: Tariff Policy Changes - On February 11, the U.S. House of Representatives passed a resolution opposing Trump's tariffs on Canadian goods with a vote of 219 to 211, marking a rare public dissent from the Republican majority [3][4]. - The resolution aims to terminate Trump's punitive trade measures against Canada, which were justified by claims of national security threats related to drug trafficking [5][6]. - Trump has threatened to impose additional tariffs, including a 50% tariff on Canadian aircraft and a potential 100% tariff on Canadian goods if agreements with other countries are reached [6][8]. Group 2: USMCA Uncertainty - Trump is reportedly considering withdrawing from the USMCA, which covers approximately $2 trillion in trade and services, injecting uncertainty into ongoing negotiations with Canada and Mexico [8][9]. - The USMCA is set for a mandatory review on July 1, which could lead to a 10-year annual review mechanism if no agreement is reached, potentially impacting trade relations significantly [9]. - Trump has indicated a preference for bilateral agreements over the current trilateral framework, suggesting a shift in negotiation strategy [9].