Jackie Northam

Trump promised Iranians will have the backing of the U.S.

's overwhelming strength and devastating force.

It's uncertain if Iranians will heed his call.

Trump made similar promises during the widespread protests in Iran earlier this year, but didn't follow up with any action.

At least 7,000 people died, according to human rights groups, after the Iranian regime launched a brutal crackdown.

The indirect talks were between Special Envoy Steve Witkoff and President Trump's son-in-law Jared Kushner on the U.S.

side and Iran's Foreign Minister Abbas Arachi.

Speaking afterwards, Adachi said the three-hour talks had made good progress and were more constructive than earlier negotiations, but that more work needed to be done.

The U.S.

has so far not commented on the talks.

President Trump is firm that Iran possessed no nuclear weapons, and so zero enrichment.

Tehran insists it has the right to enrich uranium for research and civilian purposes.

but has indicated it's willing to curb its nuclear program in exchange for sanctions relief.

It's unclear if or when another round of talks is scheduled.

Jackie Northam, NPR News.

This is the second time in as many weeks the U.S.

and Iran will be meeting.

Both are still firm in their demands.

President Trump doesn't want Iran to possess nuclear weapons, and so wants zero enrichment.

Iran insists it has the right to enrich uranium for research and civilian uses.