美国再祭制裁杀招施压普京，新措施或最快本周公布！

Group 1 - The U.S. is preparing a new round of sanctions against the Russian energy sector, contingent on President Putin's willingness to negotiate a peace agreement with Ukraine [2][4] - Proposed sanctions may target oil tankers in Russia's "shadow fleet" and traders facilitating oil transactions, with potential announcements expected soon [2][4] - Previous sanctions have not altered Putin's decision-making but have significantly pressured the Russian economy, leading to a drop in oil prices to their lowest levels since the conflict began [4][8] Group 2 - U.S. and Ukrainian negotiators have made progress on potential peace agreement terms, with discussions focusing on post-war security guarantees for Ukraine [7][9] - Key points of contention in negotiations include the future status of eastern Ukrainian territories, the use of frozen Russian assets, and the management of the Zaporizhzhia nuclear power plant [7][8] - The U.S. has sanctioned four major Russian oil producers and collaborated with G7 nations to sanction hundreds of vessels involved in transporting Russian oil [9]