Trump has threatened to try to renegotiate the deal.
Trump arrived in Riyadh besieged by the fallout from his controversial decision to fire FBI Director James Comey and more revelations about the federal investigations into his campaign's possible ties to Russian Federation. "I always say that the president is always at his best when he's doing big things that are unexpected", the official said about Trump's foreign trip, which is still ongoing.
No sweat, right? The challenge awaits.
The UAE's USA ambassador, Yousef Al Otaiba, said in a statement that the promised donation reflects "our commitment to empowering women in our region and builds on the progress we have made in our country, where women play a role in every segment of society".
President Barack Obama's administration led a multilateral nuclear deal with Iranian regime, but during the speech, Trump called for peaceful nations to "isolate" Iran.
Trump also vowed to prevent terror attacks in the USA such as the 2015 attack by an IS sympathizer, who killed around 50 people in a gay nightclub in Florida. He talked of a policy of "principled realism".
Trump, having visited Saudi Arabia for two days, declared he saw the possibility of a new alignment of Muslim nations and Israel against a shared foe _ Iran.More news: French PM calls for vigilance in France after Manchester attack
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He said Iran was still forming its judgement of the Trump administration.
What does President Trump's speech - and this visit to Riyadh - mean for USA foreign policy? White House officials has said he did not want to lecture, something they believe Obama did, unsuccessfully.
Washington Post columnist Anne Applebaum blasted President Donald Trump and his administration on Sunday for choosing Saudi Arabia as the destination for Trump's first global trip as president.
After spending the weekend in the Kingdom, he flew to Tel Aviv on Monday morning where he hopes to revive the long-stalled Israeli-Palestinian peace process, address regional security issues and reaffirm America's commitment to its alliance with Israel.
Iran is a Shi'ite Muslim country. Other American Muslims expressed skepticism that Trump's speech will translate into any meaningful or positive changes for the region.
"Saudi is a place that they practice - through government sanction - a pretty conservative and one might call an extreme version of Islam", Noureldin, a Pasadena resident, said.