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.

Trump wants to take Greenland from Denmark, make Canada the 51st state and retake the Panama Canal, threats reflecting his view that might makes right.

Overall, a plurality of the poll’s respondents said they were opposed to the U.S. trying to gain ownership of Greenland and control of the Panama Canal. A majority also said they were opposed to the U.S. trying to attain Canada.

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.

The Panama Canal will remain Panamanian ... Trump has also ruffled European feathers with similar comments about Greenland. Denmark -- which Greenland is an autonomous territory of -- is a US ally and a fellow member of NATO, another target of Trump's ...

Donald Trump argues that the US needs Greenland for national security, while a retaking of the Panama Canal is necessary to curb the overcharging of American ships and combat Chinese influence.

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

Panama’s foreign minister has insisted that the sovereignty of its vital canal, which the U.S. handed over a quarter-century ago, is “not negotiable.” The prime minister of Denmark, a NATO member that oversees the autonomous territory of Greenland ...

President-elect Donald Trump speaks about his ambitions for buying Greenland from Denmark and retaking the Panama Canal despite a treaty.

The Panama Canal is widely seen as one of the most important ... talked about the US annexing Greenland, which is owned by Denmark, and making Canada a 51st state. None of those two objectives ...

U.S. Secretary of State Marco Rubio will visit Panama and four other countries in Central America and the Caribbean starting late next week during his first overseas trip as Washington's top diplomat,