Iran has warned its Middle Eastern neighbors against participating in a U.S.-led effort to increase economic pressure on Tehran. Mohsen Rezaei, leader of the Iranian Supreme National Security Council, stated Saturday that Iran would retaliate against oil shipping routes in the Persian Gulf if surrounding countries joined what he described as an "economic war."
The warning follows an announcement last week by President Trump of a major economic operation targeting the Iranian economy. The U.S. measures include threats of significant economic consequences for any nation providing support to Iran through oil smuggling, cash transfers, or front companies. The current conflict between Washington and Tehran is nearing its six-month mark.
A central point of tension is the Strait of Hormuz, a critical maritime passage that has been largely closed since March. While Iran and Oman hold joint jurisdiction over the waterway, President Trump has recently proposed making the strait a U.S. territory. In response to U.S. actions, Rezaei said Iran would retaliate in a "seismic manner" if the U.S. moves forward with its plans.
For the average household, these tensions could manifest as changes in global fuel prices and energy costs if shipping routes are targeted as threatened. The U.S. policy explicitly warns that any business or nation providing a "lifeline" to Iran—including through ship registries or exchange houses—will face sanctions. This creates a concrete legal and financial risk for small-business owners in the maritime and financial sectors who must now ensure they have no indirect links to Iranian front companies to avoid losing access to the U.S. financial system.
The knock-on effects extend to diplomatic relations between the U.S. and its Middle Eastern allies, who are being pressured to choose between American partnership and Iranian proximity. The precedent of a U.S. president claiming territory in a foreign-governed strait could also shift international maritime law and future territorial disputes. What happens next depends on the implementation of U.S. sanctions and whether neighbors heed the Iranian warning; Canada has already announced unrelated retaliatory tariffs beginning September 8, signaling a broader period of trade instability.