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?

Mexican president says President Trump can call the gulf whatever he wants but that the world will still call it the Gulf of Mexico.

Has renaming the Gulf of Mexico come up before ... Trump has repeatedly referred to Canada as the "51st State," demanded that Denmark consider ceding Greenland, and called for Panama to return ...

On Canada, Greenland, Gulf of America, and Panama Canal, Trump's 'Art of the Deal’ Becomes a Masterful Art of the Troll.

It has been nearly 80 years since the United States expanded its territory, and there are increasing signs that President Donald Trump intends to change that. After what seemed in his first term like a lark about claiming Greenland, Trump has doubled down on that and other expansionist ideas.

Atle Hetland

Denmark’s defense minister wants to raise the Nordic country’s total military spending to more than 500 billion kroner ($70 billion) through 2033 as it seeks to ramp up investment in security in the Arctic region.

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.

Trump also has repeatedly referred to Canada as the “51st State” and demanded that Denmark consider ceding Greenland or Panama return the Panama Canal. The Gulf of Mexico is often referred to ...

Trump has repeatedly referred to Canada as the “51st State,” demanded that Denmark consider ceding ... of wall during his first term. The Gulf of Mexico is often referred to as the United ...

French foreign minister Jean-Noel Barrot said the European Union would not ‘let other nations of the world attack its sovereign borders, whoever they are’