President Donald Trump issued an executive order on Friday officially giving the green light to Nippon Steel Corporation's multi-billion-dollar purchase of U.S. Steel Corporation.

President Donald Trump signed an executive order paving the way for a Nippon Steel investment in U.S. Steel, so long as the Japanese company complies with a “national security agreement” submitted

President Donald Trump issued an executive order on Friday approving U.S. Steel's merger with Japan's Nippon Steel, after the companies signed a national security agreement with the U.S. government.