美加领导人在白宫举行会谈 讨论关税等议题

Core Points - The meeting between U.S. President Trump and Canadian Prime Minister Carney focused on trade and the Gaza issue, with Trump expressing optimism about potential peace in the Middle East [1] - Trump announced collaboration between the U.S. and Canada on the "Iron Dome" missile defense program [1] - Trump indicated that the U.S. would impose tariffs on Canada, suggesting that Canada would be agreeable to this arrangement, and emphasized that the U.S. would treat Canada fairly [1]