Core Viewpoint - The imposition of high tariffs by the U.S. on 50% of Brazilian goods marks a significant event affecting Brazil's sovereignty, BRICS cooperation, and the global trade landscape. Brazilian President Lula's strong response reflects a profound shift in Brazil's economic structure and the maturation of BRICS mechanisms [1]. Group 1: Economic Impact - The U.S. tariff policy severely impacts Brazilian agriculture, particularly in soybean, coffee, and meat exports, potentially leading to business bankruptcies and rising unemployment [3]. - Lula emphasizes that if the U.S. does not purchase Brazilian goods, Brazil will seek alternative buyers, indicating a shift in trade relationships [3]. Group 2: Strategic Response - In response to U.S. trade aggression, Lula prioritizes engagement with China and India, marking a critical transition of BRICS from a forum to an action-oriented alliance [3]. - Brazil, as the rotating chair of BRICS, plans to initiate a "leaders' crisis hotline," which is a pioneering move in addressing common trade threats [3]. Group 3: Domestic and International Dynamics - Lula faces domestic pressure from conservatives advocating for negotiations with the U.S. to avoid greater repercussions, yet the prevailing sentiment criticizes U.S. tariff abuses as violations of Brazilian sovereignty [5]. - The tariff conflict may accelerate the trend towards a multipolar global trade structure, as more countries collaborate to rewrite trade rules, indicating a decline in U.S. dominance [5].