President Donald Trump is escalating economic pressure on Iran by moving to restore tougher restrictions and further limit Tehran’s ability to sell oil. The strategy is aimed at cutting off a critical source of government revenue and increasing leverage over Iran’s leadership.

Because oil income is central to Iran’s finances, tighter limits on exports could intensify the damage already facing the country’s battered economy. Any new squeeze on revenue is likely to add to the hardship felt across a population that is already under heavy financial strain.

The latest move signals a harder-line U.S. approach that relies on economic pressure to force change from Tehran. By targeting Iran’s access to oil markets, Washington appears to be betting that sharper financial pain will translate into greater political pressure on the Iranian government.

At the same time, the renewed crackdown highlights the human cost that often comes with sanctions. While the policy is designed to weaken the state’s finances, the broader impact is expected to fall across Iran’s economy, leaving households and businesses facing an even more difficult outlook.