特朗普暴跳如雷，他猛然发现：美国最大的王牌，对中国已不起作用

Core Viewpoint - The article discusses the recent tensions between the U.S. and China, particularly in light of Canada's new electric vehicle cooperation agreement with China, which undermines U.S. trade strategies and highlights the shifting international alliances away from U.S. dominance [1][3][24]. Group 1: U.S.-China Relations - Trump's anger towards China stems from the realization that previous U.S. trade tactics are no longer effective [1]. - The cooperation agreement between Canada and China on electric vehicles significantly reduces tariffs from 100% to 6.1%, allowing for an annual import quota of 49,000 vehicles, which directly challenges U.S. trade policies [3][4]. - The U.S. Treasury Secretary has threatened China with potential additional tariffs if the Canada-China agreement exceeds its announced scope, indicating a desire to reignite trade tensions [6][18]. Group 2: International Alliances - Canada's recent actions, including the electric vehicle agreement, have set a precedent that undermines Trump's strategy of isolating China through tariffs [8][20]. - Following Canada's lead, Finland's Prime Minister is visiting China with a delegation of over 20 business leaders, indicating a broader trend of European countries seeking cooperation with China [10][11]. - The UK Prime Minister is also planning a visit to China with a large delegation, further signaling a shift in European countries towards collaboration with China [13]. Group 3: Domestic U.S. Challenges - The article highlights three significant domestic issues facing the U.S.: escalating tensions with Europe over U.S. debt, California's move towards independence from federal health policies, and civil unrest following police violence, all contributing to Trump's precarious position [22][23]. - The combination of these domestic challenges and international setbacks has left Trump feeling increasingly vulnerable and desperate, as the U.S. struggles to maintain its global influence [24].