Trump will declare a national emergency at the U.S.-Mexico border, send U.S. troops to help support immigration agents and restrict refugees and asylum.

President-elect Donald Trump used a raucous rally on the eve of his inauguration to promise swift Day 1 action remaking the federal government, shifting federal priorities at breakneck speed and ensuring that “the curtain closes on four long years of American decline.

At noon Monday, a new Donald Trump era begins. A stack of actions designed to reshape government policy will be awaiting the new president’s signature as soon as he is sworn in — a dramatic show of force meant to set the tone for the next four years.