Mr Shanahan added: "I just hope Iran is listening".
Further, he said that escalation is "in and of itself prone to accident, particularly when you have people interested in accidents".
In an interview Tuesday with CNN, Iranian Foreign Minister Mohammad Javad Zarif criticized the Trump administration's attempts to force Tehran to re-negotiate a 2015 nuclear deal that the Whitea House unilaterally left past year.
Dubowitz, however, rules out the possibility that Iran might be as fatuous to commit such acts, saying it is less likely that the region is heading towards a war, despite expectations.
Analysts say that provocative United States moves could be perceived by Iran as a potential imminent military threat at a time when the USA has already engaged in economic warfare.
But McCaul also cast the United States response as deterrence, telling reporters: "It was made very clear. there is no intention to go to war".
Some 60 percent of Americans believe that the USA should not attack Iranian armed forces first, while a measly 12 percent supported carrying out a pre-emptive attack, according to a Tuesday poll by Reuters/Ipsos.
Although Rouhani said resistance is Iran's only option, Trump has offered a fig leaf to the Iranian regime, sending a direct phone line through the Swiss should Iran want to talk, and signaling in other ways that he would like a diplomatic solution to the conflict.
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Andrew Cuomo has also indicated he would sign the bill, which was passed by a margin of 90-52 in the General Assembly, into law. The New York state Senate passed the legislation , titled the TRUST Act, earlier this month.
Shanahan said the administration walked lawmakers through their actions after discovering credible evidence Iran was planning attacks against United States interests. While there may be some security threats to them, it's nothing that would require us to actually move so many assets at that areaand to threaten an open war with a country actually that can defend itselffairly well.
If Iran attacked U.S. military forces first, 79% of poll respondents said that the United States military should retaliate: 40% preferred airstrikes on Iranian military targets, while 39% favored a full invasion.
Referring to the recently imposed US sanctions, Rohani said, "But at the end of the road, the victory is ours".
His statements were preceded by the deployment of an American aircraft carrier strike group in the Persian Gulf region, which was reportedly joined by a regiment of B-52 bombers and Patriot missile defence systems in the Middle East amid intensifying tensions between the two states.
Trump has said he would like to negotiate with the Islamic Republic's leaders. "I'd only want them to call if they're ready".
The researcher continued that the regime is now under huge pressure and Iranians will eventually realize that they do not have time to wait, because they may end up with the re-election of Trump for a second term.
But he also said he was not looking for a fight, while he could not let Iran get nuclear weapons.
Iranian nuclear officials are claiming that the country is quadrupling its production of enriched uranium.