Secretary of State Mike Pompeo argued that the new Iran sanctions - going into effect one day before the US midterm elections - are tough enough to keep the Islamic Republic from pursuing a nuclear weapon.
The move has raised tensions in the Middle East as America's maximalist approach to the Islamic Republic takes hold.
"That's the goal, that's the mission, and that's what we will achieve on behalf of the president".
ASSOCIATED PRESS As the Trump administration restored all sanctions lifted under the nuclear deal, demonstrators attended a rally in front of the former U.S. Embassy in Tehran, Iran on Sunday to mark the 39th anniversary of the seizure of the embassy by militant students.
U.S. Secretary of State Mike Pompeo says Iranian crude exports are already down by 1 million barrels a day.
The accord provided Iran with billions of dollars in relief from worldwide sanctions in exchange for sweeping curbs on and inspections of its nuclear program.
The impact of the sanctions was felt early on, with their announcement in May driving many companies to abandon Iran, causing the value of its currency to plummet.
Israel is particularly concerned with Iran's involvement in neighbouring Syria and has pledged to keep it from entrenching itself militarily there.
The other signatories to the nuclear deal have demanded that Iran accede to the FATF.
Floyd Mayweather to fight kickboxer Tenshin in Japanese fighting league RIZIN
Floyd Mayweather has sensationally announced he will fight kickboxer Tenshin Nasukawa on New Year's Eve in Saitama, Japan . When it's all said and done, it's all about me going out there displaying my skills against another skilful fighter.
They will directly affect companies from third countries doing business with Iran.
Kahwaji said the sanctions' primary objective is to get Iran to return to negotiations and agree to a new treaty, whereby it would restrict its ballistic missile program and remove the so-called sunset clause for its nuclear program.
The United States has given temporary exemptions to eight countries - including India, Japan and Turkey - to continue buying oil in a bid to avoid disturbing their economies and global markets. Bloomberg's Jodi Schneider reports on "Bloomberg Daybreak: Asia".
"All eyes will be on Iranian exports, whether there will be some cheating around USA sanctions, and on how quickly production will fall", said Riccardo Fabiani, an analyst for Energy Aspects.
Rouhani said four countries had approached him during his visit to NY for the UN General Assembly in September, offering to mediate with the USA but he turned them down.
At a gathering on Saturday, Iran's supreme leader, Ayatollah Ali Khamenei, portrayed the sanctions as part of a long tradition of American hostility toward the Islamic Republic, which he said had nevertheless prevailed. "Saudi Arabia can produce 12 million barrels a day, but only if it invests", said Hancock, noting that the country now produces just under 11 million barrels a day.
To continue exporting crude oil, Iranian tankers in recent weeks have been turning off their transponders to avoid detection.
One user tweeted in English: "Over the past 40 years, the Islamic regime of Iran tried to present the USA and Israel as Iran's enemies".
Another said: "America is not our enemy, our enemies have taken us as hostages in our own home [country]".