美国又要打关税战，对华加征100%关税，稀土新规果然有效

Group 1 - The U.S. government is facing a shutdown due to financial constraints, which has not occurred in decades, amidst a significant national debt of $37 trillion [1] - President Trump announced plans to impose a 100% tariff on goods imported from China, indicating an escalation in the trade war [3][6] - The U.S. is attempting to address its reliance on high-end chip manufacturing, which is hindered by a lack of EUV lithography machines, exclusively produced by ASML in the Netherlands [6][10] Group 2 - The U.S. has temporarily suspended a 145% tariff, while also seeking solutions for rare earth supply issues, including investments in domestic mining [8] - China holds a dominant position in rare earth processing technology, which is crucial for the U.S. to utilize its newly acquired rare earth resources [10] - The U.S. may take a decade or more to develop its own rare earth processing capabilities, as it lacks prior experience in this area [10][11]