As President Donald Trump tours the Middle East, the United States and Saudi Arabia signed a historic $142 billion arms deal that according to the White House was the largest defense sales agreement in history.

President Donald Trump kicks off the first major international trip of his second term Tuesday in a region where his family business has grown significantly in recent months, presenting his administration with more potential conflicts of interest than ever.

The U.S. President is embarking on a four-day trip to Saudi Arabia, Oman, and Qatar with a $1 trillion wish-list.