But despite the impression that U.S. economic pressure on Iran is already at a fever pitch, Nader said that it could always be dialed up further. US President Donald Trump has ordered the Treasury Department to impose further sanctions on Iran following the attacks on Saudi Arabian oil fields that are believed to have been instigated by Iran . However , there are not many areas in which Iran is n't already covered by sanctions , according to Richard Nephew from Columbia University . He cited consumer goods or further sanctions on mining and energy as possibilities . A complete boycott of Iran would be another option , whereby the US will not do business with any country or entity that does any form of business with Iran .
US President Donald Trump has ordered the Treasury Department to impose further sanctions on Iran following the attacks on Saudi Arabian oil fields that are believed to have been instigated by Iran . However , there are not many areas in which Iran is n't already covered by sanctions , according to Richard Nephew from Columbia University . He cited consumer goods or further sanctions on mining and energy as possibilities . A complete boycott of Iran would be another option , whereby the US will not do business with any country or entity that does any form of business with Iran .