And the agreement continued with other nations, but IAEA started raising concerns in 2019 and Iran started breaking conditions. A bunch of countries tried to reinstate it under Biden but the Iranians wouldn't do it. Maybe they would have stayed compliant, maybe not. We'll never know. What we do know is that they wouldn't continue the agreement with other parties nor recommit to it later.
JCPoA compliance was verified by the US and the IAEA regularly until the agreement was suspended by Donald Trump in 2018.
And the agreement continued with other nations, but IAEA started raising concerns in 2019 and Iran started breaking conditions. A bunch of countries tried to reinstate it under Biden but the Iranians wouldn't do it. Maybe they would have stayed compliant, maybe not. We'll never know. What we do know is that they wouldn't continue the agreement with other parties nor recommit to it later.