
The cargo ship Inter Sydney, flying under the flag of Saint Vincent and the Grenadines, sails through the Shahid Beheshti Port in the southeastern Iranian coastal city of Chabahar, on the Gulf of Oman on Feb. 25, 2019. Atta Kenare/AFP via Getty Images
President Donald Trump signed an executive order on Feb. 6 imposing tariffs as high as 25 percent, effective at midnight on Feb. 7, on products imported to the United States from any country doing business with Iran.
He said national security necessitates the order, writing that tariffs will “more effectively deal” with the Iranian regime.

