U.S. Treasury Secretary Scott Bessent announced a package of new sanctions on Monday aimed at the Iranian regime and its global trade partners [1].

The move signals a significant escalation in U.S. economic warfare, targeting not only Iran but any third-party country or entity that continues to facilitate the sale of Iranian oil.

Bessent described the initiative as an "economic D-Day" [1]. He said the strategy intends to isolate Iran from the global financial system by applying pressure to secondary markets, including countries like China [2]. The Treasury chief said that the U.S. will impose secondary sanctions on any entity that continues to purchase Iranian oil [3].

According to Bessent, the goal of the "D-Day" sanctions on Iran is "economic asphyxiation" [4]. This approach is designed to sever the financial lifelines of the Iranian government to force a change in the regime's behavior [4].

The announcement comes almost six months after President Donald Trump declared a war or military operation in Iran [5]. The current economic strategy serves as a non-kinetic extension of that broader confrontation.

China has already responded to the threats. Lin Jian, a spokesperson for the Chinese Foreign Ministry, said the latest U.S. sanctions on Iran will only further intensify tensions [6]. This response highlights the potential friction between Washington and Beijing over energy trade and regional influence.

Treasury officials in Washington, D.C., said that the sanctions are intended to be comprehensive [1]. By targeting the buyers of Iranian oil, the U.S. hopes to collapse the primary revenue stream that sustains the Iranian government's operations [4].

"The goal of the ‘D-Day’ sanctions on Iran is economic asphyxiation."

This shift toward 'secondary sanctions' means the U.S. is moving beyond targeting Iran directly and is now penalizing foreign companies and governments that trade with Tehran. By threatening the financial access of major oil importers, the U.S. is leveraging the dominance of the dollar to create a global blockade. However, the rebuttal from China suggests that these measures may struggle to achieve total asphyxiation if major powers refuse to comply, potentially leading to a fragmented global trade system.