The sanctions are not only targeting Iran but every country which does business with Iran. The US announced it would send additional troops along with enhanced air and missile defense systems to Saudi Arabia and the United Arab Emirates in response to the attack on Saudi oil facilities, which the US has blamed on Iran.
An American surveillance drone was shot down by Iranian forces and Trump was set to strike three sites in Iran but he reversed course after military leaders disclosed that 150 people would likely be killed. Trump wrote that it would not be a proportionate response to downing a drone that did not have anyone on board.
No evidence confirming Russia’s involvement has yet been released. The first wave of sanctions will ban licenses for export to Russia of sensitive national security goods. The second set downgrades diplomatic relations, suspends Aeroflot’s ability to fly to the US, and nearly all exports and imports will be cut.