The full dissolution of the deal, reached with the U.S., China, Russia and three Western European countries, came after an emergency meeting by Iran’s security council on Sunday. It was one of a host of steps taken in the chaotic aftermath of the general’s killing.

In Iraq: Prime Minister Adel Abdul Mahdi was expected to sign a bill approved by Parliament that would to expel U.S. troops from the country, and a U.S.-led coalition said it was ending its yearslong mission attacking the Islamic State and training local forces in Syria and Iraq.

What’s next: Secretary of State Mike Pompeo warned on CNN that the U.S. could attack Iran within its borders if it took hostile actions, and President Trump warned that the U.S. had a list of 52 targets in Iran for possible strikes.

But Iran, our Interpreter columnist writes, will not want an all-out war, and will likely aim for limited counterattacks. Still, young people in the U.S. felt new anxiety about the prospect of conflict.

Recap: General Suleimani, Iran’s de facto No. 2 official, and Abu Mahdi al-Muhandis, a powerful Iraqi militia leader and close adviser to the general, were killed in an American drone strike early Friday at Baghdad’s airport. When military advisers gave President Trump options on responding to Iranian actions, they say, they did not expect him to pick the most extreme, assassinating the general.