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He was released two days later after reported intervention from Washington and other world powers.

President Donald Trump pulled the US out of a previous nuclear agreement between Iran and five other world powers in 2018, and has long said he would make a "better" deal.

Europe and other world powers demanding guarantees that minorities’ rights would be preserved before far-reaching sanctions on the country can be lifted.

But experts fear his radical turn from decades of trade practices and his erratic policy announcements will upend the balance of world power and leave the U.S. in a weakened position.

Donald Trump pulled the US out of a previous nuclear agreement between Iran and world powers in 2018, and reinstated economic sanctions, angering Iran.