80岁总统振臂高呼，中国率先响应！当着10国代表的面，将美国一军

Group 1 - Brazilian President Lula's strong response to the U.S. tariffs, particularly the 50% tariff on copper imports, highlights the escalating tensions between the U.S. and Brazil as part of a broader challenge to U.S. hegemony [1] - China's immediate reaction to the U.S. tariffs indicates a united front among BRICS nations, emphasizing the collective resistance against U.S. pressure [1][2] - The U.S. tariffs are seen as an attempt to reshape its domestic copper industry, but this strategy may face significant opposition from countries like China, Russia, and Brazil [1] Group 2 - China's Ministry of Foreign Affairs reiterated its stance against the broadening of national security concepts and emphasized that trade wars yield no winners, signaling a potential strong counteraction to U.S. tariff policies [2] - In the context of Southeast Asia, China's Foreign Minister Wang Yi positioned China as a reliable partner for ASEAN countries, proposing cooperation and stability amidst U.S. actions [4] - Wang Yi's commitment to sign the Southeast Asia Nuclear-Weapon-Free Zone Treaty underscores China's dedication to regional peace and serves as a challenge to U.S. nuclear policies [4] Group 3 - The collective response from countries like Brazil and China against U.S. tariffs reflects a growing sentiment among nations facing U.S. pressure, suggesting a potential shift in global alliances [5]