Donald Trump was sworn in as the 47th president Monday, promising a “revolution of common sense” and taking charge as Republicans assume unified control of Washington and set out to reshape the country’s institutions.

President Donald Trump is swiftly breaching the traditional boundaries of presidential power as he returns to the White House, bringing to bear a lifetime of bending the limits in courthouses, boardrooms and politics to forge an expansive view of his authority.

World leaders congratulated President Donald Trump on his inauguration Monday, with many urging stronger alliances or continued cooperation between their countries and the United States, in carefully crafted social media posts and statements.