It was Trump who cancelled to JCPOA. Also, sending Witkoff and Kushner as negotiators is already an obvious sign the US is dishonest about preventing conflicts through diplomacy, otherwise they would send experienced diplomats. It is really the US Epstein Class Deep State government to blame here.
They could have named the DOD the "Department Of Peace", instead they called it the "Department Of War", showing their true face and trajectory.
At this point it is really the people of the US to rise up and implement a Regime Change from within to change things for the better.