The reported 14-point US-Iran memorandum marks a major shift from President Donald Trump’s earlier wartime claims that Iran’s nuclear program would be dismantled and that military pressure would continue until Tehran complied.

Buried at the end of Trump's announcement that the Iran war ends Sunday was a line that had nothing to do with the signing — and alarmed far more. The United States, he wrote, holds the "ultimate alternative,

The interim deal between the U.S. and Iran is supposed to usher in a two-month period that would address the most divisive issue between the longtime adversaries — Tehran’s nuclear program.

Nearly 1,000 pounds of highly enriched uranium sits at the centre of negotiations between the United States and Iran, with both sides deeply divided over what should happen to the material and what it means for Tehran's nuclear future.

President Donald Trump warned Iran would face “ultimate consequences” if Tehran does not give up its nuclear ambitions, saying Iran must fully comply with the memorandum of understanding (MOU) to end the war,

While the Iranians suffered substantial losses in the war, they emerged from a confrontation with the world’s most powerful military having proved they can use economic chaos as a weapon.

With 191 signatory states, the NPT rests on a simple bargain: states without nuclear weapons agree not to acquire them, while nuclear powers commit to eventual disarmament and equal application of the rules. That bargain becomes impossible to sustain when one state is allowed to operate outside the system with complete impunity.

Foreign Ministry spokesperson Esmaeil Baghaei says agreement has been finalised and signed with the US.