Amid political challenges, Nippon Steel Corp.(OTC:NISTF) remains optimistic about finalizing its $14.1 billion acquisition of United States Steel Corp. (NYSE:X) by the end of the year. The Japanese company is navigating opposition from unions and the Biden administration, while also facing potential hurdles from the recent election of Donald Trump, who plans to block the deal. What Happened: Nippon Steel is determined to proceed with its acquisition of U.S. Steel, despite facing resistance from several fronts. The company argues that the deal will benefit the U.S. economy by creating jobs and …