Group 1 - The core event involves Brazil and India leaders' urgent communication to unite against the U.S. unilateral tariff policies, marking a significant strategic action in response to the Trump administration's tariffs [1][4] - The U.S. government has raised tariffs on Brazilian and Indian goods to 50%, the highest level since World War II, severely impacting key exports such as meat, orange juice, and textiles [6][12] - Brazil and India aim to enhance bilateral cooperation by expanding trade agreements and reducing reliance on the U.S. dollar through local currency transactions [5][7] Group 2 - The leaders reaffirmed their commitment to defending multilateralism and expressed the necessity of joint action to mitigate risks posed by U.S. trade policies [4][9] - Brazil's economic stability has been partially supported by strong trade ties with China, while India maintains its strategic partnership with Russia despite U.S. pressures [9][10] - The collaboration between Brazil and India is seen as a response to the geopolitical isolation and the need for diversified alliances to counter U.S. unilateralism [10][11] Group 3 - The potential establishment of a "Southern Common Market - India Trade Zone" could challenge the effectiveness of U.S. tariff policies and contribute to the reconfiguration of global economic order [12][13] - The cooperation may lead to the emergence of a new geopolitical alliance that balances against traditional Western powers, especially with the inclusion of new BRICS members [13][14] - Brazil and India's actions could catalyze reforms in multilateral governance mechanisms, such as the WTO, and strengthen their commitments to a multipolar international order [14]