N2015, six powers (us, united kingdom, france, china, russia, germany) negotiated a nuclear deal with iran, the joint comprehensive plan of action (jcpoa). what were the positives and negatives of this accord? why has president donald trump unilaterally withdrawn from this agreement, even though the other nations continue to accept it? how would you describe the present leadership and policies of iran in the region? what are the advantages and the costs/risks of this decision by the united states to withdraw? since then, iran is accused of attacking saudi arabian oil fields and president trump announced, then cancelled, a military response. u. s. economic sanctions are at their highest. in your view, is military conflict between the u. s. and iran likely in the near future?