美国突然宣布：制裁！

Group 1 - The article discusses the recent sanctions imposed by the U.S. Treasury on four companies operating in the Venezuelan oil sector and the freezing of four related oil tankers [2] - Since December 10, 2025, the U.S. has conducted at least three interception operations against oil tankers near Venezuela, claiming to seize the crude oil on board [2] - The U.S. State Department and Treasury announced sanctions on a total of 10 Iranian and Venezuelan entities and individuals, citing Iran's ongoing provision of conventional weapons to Venezuela as a threat to U.S. interests [2][3] Group 2 - The U.S. Treasury's Deputy Secretary for Terrorism and Financial Intelligence stated that the U.S. is holding Iran and Venezuela accountable for the global proliferation of deadly weapons [3] - U.S. military operations against alleged "drug trafficking boats" have resulted in multiple casualties, with reports indicating that over a hundred individuals have died in these operations since September 2025 [4] - The U.S. has deployed several warships in the Caribbean near Venezuela under the pretext of drug interdiction, launching military operations named "Southern Strike" [3][4]