The acquisition of U.S. Steel by Nippon Steel in 2023 for $14.9 billion has faced significant opposition in the United States, delaying the completion of the deal. The acquisition was initially seen as a potential savior for U.S. Steel, but it incited a backlash from U.S. politicians and the United Steelworkers union. The union's opposition, based on concerns about national security and commitments from Nippon Steel, has led to a standoff that could impact the global steel industry and U.S.-Japanese economic relations. Nippon Steel has hired lobbyists to argue for the benefits of the merger, while the United Steelworkers have taken action under their labor contract to contest the acquisition. The deal's fate is likely to be determined by the next U.S. president, and the union's grievances were heard by a panel of arbitrators in August, with a decision expected by the end of September. The intense opposition has put Nippon Steel on the defensive, leading the company to make additional investments in U.S. Steel's facilities and engage in public relations efforts. The company is also betting that discussions will progress after the presidential election, despite continued opposition from some U.S. politicians. The situation has been described as a high-stakes, $15 billion game of chicken between Nippon Steel and the United Steelworkers, with both sides seeking to gain the upper hand before a decision is made.