The deal features a mix of public and private partnerships, a strong emphasis on emerging technologies, and a $142-billion arms deal.

The U.S. has agreed to sell Saudi Arabia an arms package worth nearly $142 billion, the White House announced Tuesday, as President Donald Trump kicked off his Middle East trip in Riyadh. Described by the Trump administration as "the largest defense cooperation agreement" in history,

President Donald Trump embarks on a pivotal foreign tour, securing a landmark investment commitment from Saudi Arabia. This historic agreement promises to inject hundreds of billions into the U.S. economy,