特朗普两天内大转弯，威胁变豁免延期，美国到底怎么了

Group 1 - The U.S. Trade Representative's office quietly extended tariff exemptions on Chinese goods, contrasting with President Trump's recent aggressive rhetoric towards China [1][3] - Trump's rapid policy shifts have left observers confused, as he oscillates between threats and concessions within a short timeframe [3][5] - The U.S. is facing significant internal crises, including rising inflation, which has led to public discontent and criticism of the administration's handling of economic issues [7][11] Group 2 - The U.S. government's layoffs have sparked protests, revealing the disconnect between political promises and the harsh realities faced by supporters of the administration [9][11] - Legal challenges to Trump's tariff policies have emerged, with courts questioning the constitutionality of his actions, indicating a potential shift in international trade dynamics [9][11] - The U.S. is experiencing a decline in diplomatic credibility and increasing social division, highlighting the vulnerabilities of its hegemonic position [11][12] Group 3 - China's dominance in rare earth elements has become a critical leverage point against U.S. trade policies, exposing weaknesses in U.S. industrial capabilities [12][14] - Technological advancements in China, such as Huawei's chip production and the development of domestic aircraft, are undermining U.S. efforts to impose technological sanctions [14][17] - China's expanding diplomatic relationships and trade agreements contrast sharply with the U.S.'s isolationist approach, suggesting a shift towards a multipolar world [19][21] Group 4 - The recent policy reversals by the Trump administration reflect a recognition of the unsustainability of high tariffs and trade restrictions, signaling a potential shift towards negotiation [22][24] - The evolving international landscape indicates that unilateral actions by the U.S. are increasingly met with resistance, as countries seek to strengthen multilateral ties [21][24] - The current situation illustrates a broader historical trend towards multipolarity, where cooperation becomes essential for navigating global challenges [24][26]