President Donald Trump embarks Monday on the first major international trip of his second term – an opportunity to shore up relations with a trio of key Middle Eastern allies and prove his might as a dealmaker on the world stage.

High-stakes nuclear talks between Iran and the U.S. signal tentative progress as pressure mounts ahead of President Trump's Middle East visit.

The large sovereign wealth funds of the Gulf are potential sources of foreign investment in the United States — and Trump’s inspiration for creating an American version. He has supported the LIV Golf tour, a competitor to the PGA that is backed by a Saudi wealth fund. And he has built relationships with power players in the region.