US Treasury Secretary Scott Bessent announces toughest ever sanctions on Iran, warns allies and China to cooperate

US Treasury Secretary Scott Bessent announced the toughest sanctions in history against Iran, aiming to collapse the regime through economic warfare rather than military escalation. Bessent warned global allies and China to cooperate, stating they are "either with us or against us." While global oil prices surged in response, Iran dismissed the threats as "economic terrorism" designed to distract from domestic US debt crises.

US maximum pressure sanctions

• ▪United States President Donald Trump threatened Iran on August 19, 2026, with the most crushing economic operation ever taken against any country, promising economic consequences for any nation doing business with Iran.
• ▪United States Treasury Secretary Scott Bessent announced on August 20, 2026, that the United States will impose the toughest economic sanctions in history against Iran.
• ▪United States Treasury Secretary Scott Bessent announced he will hold a press conference on Monday, August 24, 2026, to detail the administration's maximum economic pressure strategy against Iran.

Secondary sanctions enforcement threats

• ▪United States Treasury Secretary Scott Bessent stated that the United States will use secondary sanctions to penalize foreign countries and companies that continue to do business with Tehran.
• ▪United States Treasury Secretary Scott Bessent warned global allies that they are "either with us or against us" regarding the coordinated economic isolation of Iran.

China cooperation pressure

• ▪Data from analytics firm Kpler shows that China purchased more than 80% of Iran's shipped oil in 2025, making Beijing a primary target of United States economic pressure.
• ▪United States Treasury Secretary Scott Bessent urged China to cooperate with United States efforts to isolate Iran, noting that China obtains 50% of its energy from inside the Persian Gulf.

Iranian regime collapse strategy

• ▪United States Treasury Secretary Scott Bessent argued that maximum economic pressure on Iran makes a large-scale military or kinetic restart less likely.
• ▪United States Treasury Secretary Scott Bessent stated that the combination of a naval blockade and historic sanctions is designed to collapse the current ruling regime in Iran.

Iranian economic terrorism accusations

• ▪The Iranian Foreign Ministry condemned the proposed United States sanctions on August 20, 2026, labeling them as "economic terrorism" and "crimes against humanity."
• ▪Iranian Foreign Minister Abbas Araqchi dismissed the United States sanctions threat as a diversionary tactic to distract the American public from domestic financial crises, including record debt and rising interest rates.

Oil price market movements

• ▪United States Treasury Secretary Scott Bessent stated that oil markets were misinterpreting the implications of the administration's economic pressure campaign against Iran.
• ▪Brent crude futures rose 2% to $93.52 per barrel and West Texas Intermediate futures rose 2.5% to $87.94 on August 20, 2026, following the United States sanctions announcements.

7 sources