Scott BessentDonald TrumpIslamic Revolutionary Guard CorpsU.S. Department of the Treasury

Treasury Secretary to announce Iran sanctions Monday as Tehran dismisses economic warfare threat; Bessent calls it 'economic D-Day'

Treasury Secretary will announce unprecedented sanctions against Iran on Monday, described as the greatest campaign of economic isolation ever. Bessent calls it 'economic D-Day,' emphasizing the U.S. will use its full might against non-compliant nations, while Iran vows to counter the economic warfare threat.

CNBC CNBC23 August 2026 · 22:11 UTC
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Treasury Secretary will unveil sanctions against Iran on Monday, marking a significant escalation in U.S. economic pressure. He described the initiative as the greatest campaign of economic isolation in history, aiming to 'collapse' the Islamic Republic with the 'toughest sanctions.'1

"At dawn begins an economic D-Day — the single greatest financial offensive ever marshalled against an adversary," said Bessent in an opinion piece. The U.S. demands that allies cease business with Iran, threatening severe penalties for non-compliance.23

President Trump emphasized the unprecedented scale of this economic warfare, stating, "this will be Economic Warfare and Isolation on an unprecedented scale."4

In response, an IRGC spokesperson claimed Iran has strategies to counteract the economic assault, asserting that it can establish relations with other nations. The spokesperson also interpreted Trump's declaration of an economic war as an admission of defeat in military confrontations.

Bessent warned, "We are going to them and saying you are either with us or against us," urging global allies to choose sides in this escalating conflict.

Key Insight
“Bessent described the sanctions as the 'single greatest financial offensive ever marshalled against an adversary' and said the U.S. will use its 'full might' against non-compliant parties. An IRGC spokesperson countered that Iran can 'easily establish economic relations with countries,' framing the campaign as an admission of U.S. military defeat.”
Will Donald Trump's new sanctions against Iran work? | Inside Story
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Will Donald Trump's new sanctions against Iran work? | Inside Story
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“Treasury Secretary will hold a press conference Monday to announce sanctions against Iran that he described to CNBC as the greatest campaign of "coordinated economic isolation in the history of the world."”
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