美对加拿大征收35%关税，专家：特朗普制造新谈判筹码

Group 1: Core Points - The U.S. will impose a 35% tariff on goods imported from Canada starting August 1, which is an increase from the previously announced 25% tariff [1] - This move is seen as a strategy by the U.S. to pressure Canada into concessions during ongoing trade negotiations, particularly regarding dairy and aluminum tariffs [1][3] - The U.S. government claims that the trade deficit with Canada poses a significant threat to U.S. economic and national security [3] Group 2: Trade Relations Impact - Canada's exports to the U.S. have declined for four consecutive months, with the share of exports to the U.S. dropping to 68.3%, significantly lower than the 75.9% average in 2024 [4][5] - In contrast, Canada's exports to countries outside the U.S. increased by 5.7%, reaching a historical high [5]