Easing of Iran sanctions could start in December

“We are ready to begin the final stage of nuclear agreement from tomorrow,” said Zarif, who was greeted by hundreds of cheering students late Sunday.

There has been no noticeable opposition to the deal in Tehran beyond a handful of requests for clarification from lawmakers, in contrast to the United States where many members of Congress said they were skeptical that Iran would stick to the agreement.

Iran insists that trying to block enrichment was a dead end.

For Iran's leaders, self-sufficiency over the full scope of its nuclear efforts—from uranium mines to the centrifuges used in enrichment—is a source of national pride and a pillar of its self-proclaimed status as a technological beacon for the Islamic world.