Group 1 - The U.S. has adopted a hardline stance following the third round of negotiations, warning China of potential full tariffs on Chinese goods if it continues oil trade with Russia [1] - The U.S. Trade Representative, Becerra, indicated that the withdrawal of 12 sanctions related to rare earth trade disputes signals a shift in strategy, aiming to pressure China for concessions [5] - The U.S. Treasury Secretary has focused on rare earth issues, suggesting that the U.S. is seeking to resolve these matters before finalizing any agreements [1][3] Group 2 - The third round of talks revealed that the U.S. remains in a strategically passive position, with core issues still unaddressed despite some progress in earlier rounds [3] - The negotiations have resulted in an agreement to extend the negotiation period, indicating that both parties need to engage in deeper discussions on critical points such as military rare earth exports and high-end chip trade [8] - The U.S. must accept China's preconditions regarding military rare earth exports and cease its inconsistent policy behavior to rebuild trust and facilitate a substantive agreement [8]