Nippon Steel and U.S. Steel said Wednesday they have finalized their “historic partnership,” a deal that gives the U.S. government a say in some matters and comes a year-and-a-half after the Japanese company first proposed its nearly $15 billion buyout of the iconic American steelmaker.

Nippon Steel Corp. could issue equity to fund its $14.1 billion purchase of United States Steel Corp. and associated investment promises, the company’s vice chairman said on Thursday.

U.S. Steel shares stopped trading on the New York Stock Exchange on Wednesday after Japan’s Nippon Steel completed its acquisition of the iconic American industrial name. President Donald Trump has insisted for weeks that the companies would form a “partnership” in which U.