President-elect Donald Trump over the weekend suggested the US should retake the Panama Canal, an idea that was immediately rejected by the government of Panama, which has controlled the passage for decades.

Panama President Jose Raul Mulino rallied support from former presidents in defense of the country’s canal following threats from Donald Trump to reimpose US control over the waterway.

First it was Canada, then the Panama Canal. Now, Donald Trump again wants Greenland. The president-elect is renewing unsuccessful calls he made during his first term for the U.S. to buy Greenland from Denmark,