After taking charge of building the canal in the early 20th century, the US turned full control over to Panama in the 1970s via a treaty. But this week, Trump said that if the "rip off" did not stop, he would demand the canal be returned to the US – though he did not specify how.

The president-elect is renewing calls he made during his first term for the U.S. to buy Greenland, the ice-covered semi-autonomous Danish territory, and mostly Inuit

President-elect Donald J. Trump has made clear that he has designs for American territorial expansion, declaring that the United States has both security concerns and commercial interests that can best be addressed by bringing the Panama Canal and Greenland under American control or outright ownership.