特朗普私下“琢磨”退出美墨加协定，北美贸易战云密布

Group 1 - The potential withdrawal of the US from the North American Free Trade Agreement (NAFTA) adds uncertainty to the ongoing negotiations among the US, Canada, and Mexico [1][2] - The USMCA is set for a mandatory review on July 1, which has evolved into a contentious negotiation, with Trump demanding additional concessions from Canada and Mexico [2][3] - If an agreement is reached, the USMCA could be extended for another 16 years; otherwise, it may lead to annual reviews until 2036, with any country able to announce an exit six months in advance [2][4] Group 2 - Trump's administration is under pressure to negotiate better terms, with a focus on stricter rules for key industrial products and worker protections [2][3] - The potential exit from the USMCA could lead to higher tariffs on Mexican and Canadian exports, causing economic pain and potentially hindering US export growth [4][5] - The unpredictability of Trump's trade policies has left global leaders uncertain, particularly regarding the integration of supply chains among the three countries [5]