Iran was continually reneging on the deal. Working towards developing nuclear weapons, lying about it, and refusing to allow agreed upon inspections of their uranium enrichment and other nuclear facilities by external inspectors.
Well, as I said before they have been 2 weeks away from a nuke since 1990.
But now after these latest attacks, they'd have stronger justification to hasten the effort or acquire nukes via a different route. (Think North Korea, Russia, China etc.,)
Only an Iraq style invasion can possibly stop this, but I don't think America is up for it after learning its lessons in the previous one.
Not to mention no EU nation will support Trumputin in that effort.
I wouldn't be surprised if in the next decade Iran actually tests a nuke.