The tens-billion-dollar acquisition caused huge waves. Biden announced: Objection!.

Analysts believe that the White House's decision is largely based on political considerations and may "cast a shadow" on U.S.-Japan relations. According to reports, starting from December 2023, Nippon Steel plans to acquire Amtrak for US$14.9 billion (approximately 107.2 billion yuan) in cash. Since the acquisition was announced, it has attracted criticism from Democratic and Republican lawmakers and the United Steelworkers Union.