Panama Canal, Canada and Greenland: Why is Trump teasing US expansion? All you need to know

Panama Canal, Canada and Greenland are the prime targets in Donald Trump's foreign policy list. Trump has threatened to demand control of the Panama Canal be returned to Washington. He has also stoked political mayhem in Canada by intensifying a crisis that threatens to oust Prime Minister Justin Trudeau. Trump has also publicly floated the idea of US “ownership and control of Greenland”, a territory of Denmark.