In the spirit of the season, the Washington Examiner has identified 12 issues we believe will shape and influence 2025 and beyond. The incoming Trump administration has made the fight against illegal immigration and the use of tariffs its flagship policy items. The United States will also possibly undergo a health revolution, while very real questions need to be answered on everything from Social Security reform to the military to the changing landscape of the energy sector. Part 9 is on Republican unity on Capitol Hill.

When Republicans gain a trifecta by the end of January, it will become far easier for the party to pass legislation and enact President-elect Donald Trump’s agenda — that is if they can overcome the intraparty fighting that has plagued the GOP over the last two years.