The US President shot back at the Iranian President on Twitter on Monday morning saying: "Never, ever, ever threaten the United States Again or you will suffer consequences the likes of which few throughout history have ever suffered before".
More than half a dozen current and former officials said the campaign, supported by Secretary of State Mike Pompeo and national security adviser John Bolton, is meant to work in concert with U.S. President Donald Trump's push to economically throttle Iran by re-imposing tough sanctions. "Iranians want to be governed with dignity, accountability and respect".
There have been a series of anti-government protests in Iran in recent months.
"Outcome one is capitulation, forcing Iran to further curtail not only its nuclear program but also its regional ambitions", Sadjadpour said.
While European countries strongly opposed to Trump's withdrawal from the Iran deal, the threat of United States sanctions has successfully made Tehran a pariah in the business world.
The escalation in rhetoric came as the Trump administration has launched an offensive of speeches and online communications meant to foment unrest and help pressure Iran to end its nuclear program and its support of militant groups, according to United States officials familiar with the matter.
After Trump's withdrawal, Iran's currency ballooned and the government imposed a set of strict financial controls on its citizens, capping the amount of foreign currency they can hold, and seizing overseas accounts. Potentially that would escalate the very situation the nuclear deal sought to avoid - an Iran with a stockpile of enriched uranium that could lead to making atomic bombs.
Since Trump pulled out of the deal, other nations involved - Germany, Britain, France, Russia and China as well as the European Union - have reaffirmed their support for the deal and have been working to try and keep Iran on board.
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He assured them that the Trump administration shared their dreams for the people of Iran.
Iran's oil exports could fall by as much as two-thirds by the end of the year because of new United States sanctions, putting oil markets under huge strain amid supply outages elsewhere. Hormuz, a shipping chokepoint at the mouth of the Gulf, is a conduit for tankers carrying about 30 percent of all seaborne-traded crude oil and other liquids.
He said "overthrow, disintegration, boycott and weakening" were the main United States policies against Iran.
"Although the current American government does not seem to speak of a military threat, according to precise information it has been trying to persuade the US military to launch a military invasion (of Iran)", Baqeri said.
On Saturday, Iran's supreme leader Ayatollah Ali Khamenei said the USA does not abide by agreements.
European allies maintain their support for the deal and have vowed to stay in it, though their businesses fear USA penalties.
"To our Iranian American and Iranian friends", Pompeo said, "tonight I tell you that the Trump administration dreams the same dreams for the people of Iran as you do, and through our labors and God's providence, that day will come true".
Pompeo refused to distinguish between moderates and radicals at the heart of the Islamic republic.
"The level of corruption and wealth among regime leaders shows that Iran is run by something that resembles the Mafia more than a government", he said in speech made to a largely Iranian American audience at the Ronald Reagan Presidential Library in Simi Valley, California.