A leading candidate to become Japan’s next prime minister has voiced concerns over reports that the U.S. may block Nippon Steel’s $15 billion acquisition of U.S. Steel on national security grounds. Former Defense Minister Shigeru Ishiba, one of the frontrunners for Japan’s top political position, said such a move could damage trust between the U.S. and Japan, key allies in both economic and security matters.
The U.S. is reportedly close to halting the deal, with concerns that it could negatively affect the domestic supply of steel for critical infrastructure and reduce U.S. Steel’s likelihood of seeking tariffs on foreign imports. Ishiba called these concerns “unsettling” and suggested that such actions could undermine the partnership between the two nations. He emphasized the need for the Japanese government to engage in open and logical discussions with the U.S. on the matter.
Ishiba’s remarks come as he prepares for Japan’s Liberal Democratic Party leadership election, where he is seen as one of the most popular candidates. Another candidate, Digital Minister Taro Kono, also weighed in, stating he never expected the deal to raise national security concerns and emphasizing the long-standing economic partnership between Japan and the U.S.
Both candidates agreed that blocking the acquisition could have wider implications, potentially affecting other Japanese investments in the U.S. Kono expressed a commitment to addressing the issue with the White House if elected as Japan’s next prime minister, stating the issue is about more than just the acquisition, but about the broader economic relationship between the two allies.
The potential veto has faced opposition from labor unions and political figures in the U.S. ahead of the 2024 presidential elections. However, U.S. Ambassador to Japan Rahm Emanuel downplayed the commercial transaction’s effect on broader U.S.-Japan relations, describing the partnership as strong and enduring.
Experts, however, warn that blocking the deal could damage trust between the countries. Analysts suggest that such a move may be seen as protectionist politics and could cause Japan to reconsider its cooperation on future U.S.-led economic security initiatives, such as limiting China’s access to advanced technologies. Japan’s largest business lobby, Keidanren, expressed hope that the U.S. would conduct its review of the deal fairly and in accordance with the law.
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