Pundits on cable news keep insisting that President Trump’s economic strangulation campaign against Iran cannot work. Sanctions, they say, have never brought down a regime. They note that Iran has survived decades of economic sanctions due to weak compliance and selling discounted oil through a shadow fleet, mostly to China.
That argument misses what is happening now. After the Iranian regime rejected President Trump’s diplomatic offers—including a generous Memorandum of Understanding and the substantial financial incentives that accompanied it—he turned to a different strategy. This is not another round of paper sanctions. It is a naval blockade, backed by asset seizures and targeted strikes. It does not merely ask governments and banks to comply. It stops tankers. That is why the campaign has a realistic chance of forcing a political rupture in Tehran that sanctions alone cannot produce.
The core pressure is blocking Iran’s oil revenue. Before the latest phase of the blockade, Iran was exporting over one million barrels per day. These shipments have been halted. No meaningful fresh crude is reaching China, Iran’s last major buyer. Combined losses from oil, products, and related maritime trade have been estimated to be $300 million–500 million per day. This is a devastating blow to the regime’s economic lifeline.
China will still buy whatever Iranian oil it can get. It will not replace what the U.S. Navy is blocking, and it will not make Tehran whole for the lost revenue. Beijing can buy Iranian oil sitting in Asian floating storage, but it cannot replenish that stock from Iranian oil terminals while American forces interdict the Strait of Hormuz and Iranian ports.
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