US president-elect Donald Trump on Tuesday reiterated his expansionist agenda, citing China as a security threat and refusing to rule out military action or economic pressure to reclaim the Panama Canal and acquire Greenland from Denmark.

The U.S. Navy, in anticipation of a war in East Asia, would use the canal to move ships and submarines from the Atlantic to the Pacific.

Senator Tommy Tuberville is so excited for Donald Trump to keep chasing the Panama Canal that he’s now imagining his own fantastical version of events where the U.S. uses the waterway to wage war on China.

Authorities of Panama and Greenland have repeatedly said they won't hand over any territory to Trump, with Panama's president declaring that the canal "is going to stay in our hands forever," and Denmark's prime minister insisting "Greenland is not for sale."

Gordon Chang, expert on U.S.-China relations, joined “Forbes Newsroom” to talk about Trump’s recent comments calling on the U.S. to reclaim control of the Panama Canal.

Rep. Dusty Johnson (R-S.D.) will introduce a bill that would authorize the president to purchase the Panama Canal and put it under U.S. control, an acquisition that President-elect Trump has been

Trump has criticized Panama over increasing fees, warning that if it doesn't change, he will demand the canal's return to the U.S.

Climate change is causing drought conditions that are making the Panama Canal harder to operate and more expensive to pass through.

Granting Donald Trump's demand for US ships passing through the Panama Canal to get preferential treatment would "lead to chaos," the head of the authority running the waterway said Wednesday.

There are three things to remember in real estate: location, location, location. It's all you need to know about Trump's vows to take Greenland and the Panama Canal, by any means necessary.

Citing national security, Trump has said "The United States of America feels that the ownership and control of Greenland is an absolute necessity."