The president-elect is suddenly pushing to annex Greenland, reclaim the Panama Canal and absorb Canada, provoking longtime allies just days before taking office.

Trump says he wants to annex Greenland and Canada into the U.S., but once Trump is in the Oval Office, will these ambitions rise to the level of being a top priority?

Less than two weeks before taking office, President-elect Donald Trump took some of his most audacious claims and promises of the transition period and amped them up to new levels during a Mar-a-Lago news conference.

He views Mexico as a source of unwanted migration, drugs and Chinese goods, Canada as a liberal dystopia and Greenland as a weak link. Some of his remarks are bluster. The Gulf of Mexico, he says, should be renamed the Gulf of America.

Donald Trump took the oath of office as the 47th president of the United States. In his inaugural address, he promised to rename the Gulf of Mexico to the Gulf of America. What is the Gulf of Mexico and its significance?

With their loose talk about Greenland, Canada, and the Panama Canal, Trump and his followers show they don’t get what we get from those relationships.

President Donald Trump has been promising a flurry of executive action on Day 1, and even as he was being sworn in, there were executive orders already prepared for his signature. Those orders will end diversity,

Societies survive and grow when they successfully navigate their contradictions. Eventually, however, accumulating contradictions overwhelm existing means of navigating them. Then social problems arise that persist or worsen inside such societies because they are unsuccessfully navigated or go unattended.

Mr. Trump is tapping into this social and intellectual history, promising to “pursue our Manifest Destiny into the stars” — even “to Mars.” But he does so in that witchy style he has perfected, which makes conventional ideas sound outlandish.

Alaska’s US senators in 2017 vehemently opposed a prior suggestion by Mr Trump that the name Denali be changed back to Mount McKinley.

Trump, 78, took the oath of office to "preserve, protect and defend" the US Constitution at 12.01 pm ET (1701 GMT) inside the US Capitol, administered by Chief Justice John Roberts. His vice president, JD Vance, was sworn in just before him.

Trump, incoming first lady Melania Trump arrive at White House, where Biden and first lady Jill Biden greet them with handshakes.