U.N. Watchdog: Iran Has Nearly Tripled Uranium Supply Since November

The transcript discusses Iran's increase in enriched uranium stockpiles, which have grown from 800 pounds in November to over a ton, potentially nearing the amount needed for a nuclear weapon. This violates the 2015 nuclear deal, which allows only 450 pounds. Iran hopes these violations will prompt remaining signees to offer economic deals to counteract US sanctions, following the US withdrawal from the deal in 2018.

What actions did Iran take after the US withdrew from the nuclear deal in 2018?

What does Iran hope to achieve by violating the nuclear deal?