The Trump administration is preparing what Treasury Secretary Scott Bessent calls the toughest sanctions ever imposed on Iran, expanding economic pressure as Washington tries to weaken Tehran without returning immediately to a larger military campaign. Bessent said Thursday that the new measures will work alongside the U.S. blockade and that detailed sanctions plans will be presented Monday.
The Trump Iran sanctions campaign also puts Iran’s commercial partners under growing pressure, particularly China, which purchases more than 80% of Iran’s shipped oil according to 2025 estimates. President Donald Trump has warned countries against providing Iran with an economic lifeline, raising the possibility that secondary sanctions could become a major part of the next phase.
Trump Iran Sanctions Add to the Naval Blockade
Bessent described the administration’s approach as a combination of economic sanctions and the existing blockade. He argued that maximum financial pressure could reduce the likelihood of another large-scale round of direct military action by forcing Tehran into an increasingly difficult economic position.
That strategy builds on months of Treasury enforcement. The department has already targeted Iranian oil networks, weapons procurement operations, shipping companies and sanctions-evasion systems connected to the Islamic Revolutionary Guard Corps and other regime-linked actors.
American News Brief has previously documented how the U.S.-Iran blockade turned freedom of navigation and commercial access to the Strait of Hormuz into central elements of the conflict. The next sanctions round effectively adds another layer by attempting to make foreign businesses and governments choose between commercial ties with Iran and access to the U.S. financial system.
China Is the Biggest Economic Target
China’s role creates both leverage and risk for Washington. Beijing purchases the overwhelming majority of Iran’s exported oil, making Chinese refiners and intermediaries critical to Tehran’s remaining access to hard currency.
Bessent urged China to cooperate and noted that Beijing also depends heavily on energy flowing from the Gulf. Restoring stable shipping through Hormuz is therefore in China’s economic interest even though Beijing opposes unilateral U.S. sanctions and has repeatedly favored diplomacy with Tehran.
The administration must still decide how far it is prepared to push. Secondary sanctions against major Chinese entities could hit Iran hard, but they could also trigger retaliation from Beijing in areas ranging from rare-earth minerals to manufactured goods.
That trade-off makes targeted enforcement more defensible than indiscriminate economic warfare. Washington gains leverage when sanctions impose high costs on Iran’s military financing while minimizing unnecessary damage to American consumers and companies.
Oil Markets Are Worried About the Strategy
Bessent has argued that markets may be misunderstanding the administration’s strategy because deeper economic pressure could reduce the likelihood of renewed large-scale military action. Oil traders have nevertheless pushed crude prices to more than three-week highs as uncertainty about Iran and Hormuz persists.
The concern is understandable. Sanctions that successfully restrict Iranian exports reduce available supply unless other producers compensate, while further confrontation with China or additional instability in Hormuz can add another risk premium.
American consumers eventually feel that pressure through gasoline, diesel, aviation and transportation costs. A foreign-policy strategy designed to weaken Tehran can therefore become politically difficult if it also raises household costs at home.
The administration’s challenge is to make the economic pressure precise enough to change Iranian behavior without creating an open-ended supply shock. Sanctions should be a means toward a defined strategic objective, not an indefinite substitute for one.
Iran Has Decades of Sanctions Experience
Iran has lived under varying forms of U.S. sanctions since the 1979 Islamic Revolution. Over time, Tehran has developed networks involving intermediary companies, covert shipping, financial conduits, informal trade and other methods intended to keep oil revenue and goods moving despite restrictions.
Treasury has spent much of 2026 attacking those networks directly. Recent actions have targeted shipping operations connected to Mohammad Hossein Shamkhani, financier Babak Zanjani’s overseas network and companies accused of supporting Mahan Air and the IRGC.
That history explains why describing the next sanctions package as unprecedented sets a high bar. Details matter more than rhetoric, especially whether enforcement reaches the foreign banks, refiners, shipping companies and intermediaries that allow sanctioned commerce to continue.
Maximum Pressure Needs a Measurable Goal
Economic pressure can be preferable to a larger war when it provides leverage without putting additional American troops and civilians at immediate risk. It is most defensible when policymakers can explain what Iran must do for sanctions to be relaxed.
The administration has cited denuclearization, freedom of navigation and an end to Iranian military threats as major objectives. Those goals need to be translated into concrete conditions so markets, allies and Tehran understand what compliance would actually require.
An unlimited sanctions campaign aimed vaguely at collapsing an adversarial government carries different risks. Economic isolation can weaken a regime, but history also shows that highly sanctioned governments can survive for years while ordinary citizens bear substantial costs.
Monday’s promised announcement will therefore be crucial. The effectiveness of Trump Iran sanctions will depend less on whether they are described as the toughest ever than on whether they close real financial channels, produce measurable concessions and move the conflict toward a stable endpoint.
