Group 1 - The core objective of the QUAD alliance is to reduce dependence on China's critical minerals, particularly in rare earth elements, where China dominates global supply chains, accounting for approximately 60% of global rare earth mining and nearly 90% of refining [5][9][30] - The "Quad Critical Minerals Initiative" aims to ensure that the four countries can secure access to essential minerals for the 21st-century economy, indicating a strategic move towards creating a "de-China" mineral supply chain [7][30] - The simultaneous easing of restrictions on semiconductor design software exports to China by the U.S. Department of Commerce reveals a complex strategy of "dual tactics," where the U.S. seeks to balance containment with selective cooperation [11][30] Group 2 - The internal dynamics of the QUAD alliance show significant tensions, with differing priorities among member countries regarding security responsibilities and trust in U.S. leadership, indicating that the alliance is not as cohesive as it appears [16][22] - Australia's concerns over the AUKUS nuclear submarine project and India's trade tensions with the U.S. highlight the fragility of the QUAD partnership, as these issues could undermine collective efforts against China [18][19][22] - The U.S. strategy reflects a need for tactical adjustments in mature sectors like semiconductors, where strict containment has proven costly and counterproductive, leading to a search for a balance between strategic containment and maintaining commercial interests [15][30] Group 3 - China's response to the QUAD's mineral containment strategy includes tightening export controls on rare earths, which aligns with international rules and aims to protect its national interests while highlighting the vulnerabilities in Western supply chains [9][24][30] - The emphasis on enhancing domestic exploration and development of strategic mineral resources, as well as investing in advanced processing and technology, is crucial for China to maintain its competitive edge in the global market [24][26][30] - The ongoing geopolitical competition over resources and technology underscores the importance of securing critical minerals and advancing technological innovation as key components of national strategy for China [30][32]