This may include advertisements from us and 3rd parties based on our understanding. It comes as officials meet in Vienna this week in an effort to revive the deal. Joint Comprehensive Plan of Action JPCOA Iran agreed to curb their nuclear weapons programme in return for the lifting of economic sanctions from the US, EU and UN. But when Donald Trump pulled out of the deal in 2018, sanctions returned and there were reports that Iran's nuclear programme went full speed ahead.