Following Iran 's ballistic missile tests on January 29 , 2017 , the Trump administration imposed sanctions on 25 Iranian individuals and entities in February 2017 . Trump reportedly lobbied " dozens " of European officials against doing business with Iran during the May 2017 Brussels summit ; this likely violated the terms of the JCPOA , under which the U.S. may not pursue " any policy specifically intended to directly and adversely affect the normalization of trade and economic relations with Iran . " The Trump administration certified in July 2017 that Iran had upheld its end of the agreement . On May 18 , 2018 , Trump announced the United States ' unilateral departure from the JCPOA
2017 Brussels summit
2017 Brussels summit
Donald Trump