The 2015 agreement curbed Iran's nuclear program in return for lifting most worldwide sanctions.
If Iran senses "American steel they back down, if they perceive American mush they push forward - and right now they perceive steel", said Mark Dubowitz, chief executive of Foundation for Defense of Democracies, a Washington think tank that lobbied for a renegotiation of the Iran nuclear deal.
But only a handful had been delivered before US President Donald Trump exited the deal in May and reimposed sanctions on Iran.
Trump administration officials say the sanctions are being restored starting Monday in an effort to change the Iranian regime's behavior.
The White House will make an announcement on Monday detailing the reimposition of USA sanctions on Iran that President Donald Trump has ordered for this week, Secretary of State Mike Pompeo said on Sunday.
The US has set a deadline of 4 November for major buyers of Iranian oil to stop their purchases.
"You will take to the grave the dream of Iranian officials asking you for a meeting or getting the permission to meet you from their nation".
The plunge in the currency and soaring inflation have sparked sporadic demonstrations against profiteering and corruption, with many protesters chanting anti-government slogans.
Sarri and Courtois set to stage talks over goalkeeper’s future
Jorginho's mother was left in floods of tears after seeing her son's shirt for sale in Chelsea's club shop for the first time. It is peculiar, though, that City have been turned down by their primary targets in two consecutive transfer windows.
For other matters, Switzerland is the nation that officially represents US interests in Iran since the USA cut off all ties after the 1979 Iranian revolution.
With a public outcry and heavy sanctions looming, there is no clear sign of a plan from the clerical regime to tackle these issues, to come up with a project or a proposal to ease the internal and worldwide pressure, or make any changes in their behavior.
According to Pompeo, the restoration of sanctions against Iran is an important pillar in USA policy.
Iran's oil exports could fall by as much as two-thirds by the end of the year because of the USA sanctions, putting oil markets under strain amid supply outages elsewhere in the world.
That's according to two European diplomats involved in negotiations with the Trump administration over how sanctions would be re-imposed.
The sanctions that go back into effect on Monday cover Iranian trade in automobiles and metals, including gold.
The U.S. State Department said on its Persian-language Twitter account: "While it is ultimately up to the #people_of_Iran to determine their country's path, #America supports the voice of the Iranian people, which has been ignored for a long time". Iran's Foreign Ministry spokesman Bahram Qasemi said in a press conference that the United States has to have respect for Iran and global law in order for dialogue to occur, according to IRNA news agency.
A handout picture provided by the Iranian presidency shows Iranian president Hassan Rouhani during a meeting in Tehran on July 14, 2018.