The nuclear deal signed between Iran and major world powers in 2015 — officially known as the Joint Comprehensive Plan of Action (JCPOA) — was imposed only on Iran and not on any other countries across the world and it would be “hypocrisy” for the United Nations ( UN ) if the international body complained about Tehran’s scale-back measures taken in response to Washington’s unilateral withdrawal from the landmark accord last year, says a US political analyst.