Nippon Steel offered Washington a "golden share," which gives the government oversight over some decisions, to get approval for its takeover of U.S. Steel.

President Trump on Friday cleared way for Nippon Steel purchase of U.S. Steel, including unusual control for the president.

The national security agreement between President Donald Trump, Nippon Steel Corp., and US Steel to merge the two companies opens the door to unprecedented control by the president over the steelmaker’s operations and its relations with the workers’ union.