Trump Launches Economic Warfare Against Iran, Threatens Backers

President Trump posted on Truth Social Wednesday that the U.S. would launch 'economic warfare and isolation on an unprecedented scale' against Iran. He threatened 'tremendous economic consequences' for any country that provides a 'lifeline' to Tehran.

• Trump listed specific targets: oil smuggling, swap lines, cash transfers, exchange houses, ship registries, front companies.
• 60-day ceasefire with Iran expired Monday with no diplomatic resolution reached.
• UAE suspended all trade and financial ties with Iran a day earlier, after detecting two Iranian ballistic missiles.
• U.S. forces are facilitating 15 to 20 ship transits nightly through the Strait of Hormuz, carrying roughly half of pre-war oil volumes.

Why it matters: The announcement marks a declared strategic shift. The White House has signaled a move toward economic pressure after military strikes failed to bring Iran back to the negotiating table.

• 20% of the world's crude oil and liquefied natural gas typically moves through the Strait of Hormuz.
• China, Iran's biggest trading partner, was not named but is the primary target of any secondary sanctions push, complicating U.S.-China relations ahead of an expected Xi visit.

How 72 sources split on this story

Where they split: The core dispute is whether Trump's economic pressure campaign is practically enforceable against major Iranian trading partners, especially China.

What’s next: Trump provided no specific measures, timelines, or named countries beyond Iran.

• Treasury Secretary Scott Bessent said the U.S. would impose economic isolation 'like the world has never seen before.'
• Which countries, if any, will be sanctioned under the new campaign — and will China be targeted directly?
• Can the U.S. sustain nightly Strait of Hormuz escort operations long enough to change Iran's negotiating position?
• Will the threat of secondary sanctions fracture U.S. alliances with countries that still trade with Iran?