Reaction was mixed, with Barack Obama calling the move "misguided," Israel praising the president, and Iran and France, Britain and Germany considering the next step.
Ahead of the announcement Tuesday, a look at what the sanctions do, what a U.S. pullout would mean and how Iran could react. European allies warn that Iran could renew nuclear weapons development.
British Foreign Secretary Boris Johnson says the Iran deal can help avoid a nuclear arms race in the Middle East — one that would also include Saudi Arabia.
NPR's Steve Inskeep talks to Brian Hook, the U.S. diplomat who is leading negotiations with the Europeans over the 2015 Iran nuclear deal to make it more palatable to the Trump administration.
Mohammad Javad Zarif, speaking with Morning Edition host Steve Inskeep, said no one will trust the United States to stick to an international agreement if it goes back on the nuclear deal.
If confirmed, CIA Director Mike Pompeo would be a very different secretary of state than his predecessor, Rex Tillerson. Here is where they stand on North Korea, Iran, trade and chemistry with Trump.
For all his denunciations of the Iran nuclear deal, the president passed up a chance to exit from it. While the deal stays in place for now, plenty of questions remain about what might happen next.