Iranian and U.S. leaders have reassured their nations that they do not seek war but the situation could slip out of control.
A number of U.S. officials have made hawkish remarks citing Iranian threats against U.S. interests in the Gulf region.
Iran’s tensions with Washington have risen sharply.
The United States extended its sanctions to ban all countries from importing Iranian oil.
The U.S. pulled out of an agreement between Iran and world powers a year ago.
Iran’s nuclear programme was limited in return for lifting economic sanctions as ordinary Iranians already face hardship from tightening sanctions.
Iranian officials have come to the conclusion that Trump does not seek negotiations.
Despite talks being off the table, Iranian leaders still say war is unlikely.
Iran has tended to dismiss the tough talk by the United States as psychological warfare.
The U.S. administration, National Security Adviser John Bolton and President Donald Trump have warned war and sanctions are two sides of the same coin and if Iran wants to fight that will be the official end of Iran.
Some Iranians say the tension could have its own logic and they are not against U.S. military invasion.
They believe the fall of the Islamic Republic would be the only solution to the rising economic and political problems.
Ali, an Iranian student in Tehran, said, “My only hope is a war so I can take my revenge.
I am telling my friends in the university that our only way is an armed struggle. We have nothing to lose.”