Donald Trump’s increasingly strident approach to relations with Canada is provoking fear about the potential consequences north of the border and questions about just how serious the U.S. president-elect actually is.

President-elect Donald Trump threatened the sovereignty of Panama, Greenland and Canada during a wide-ranging and often rambling press conference on Tuesday.

The president-elect said he'd use "economic force" to bring Canada into the US while also saying the Northern neighbor had nothing the US needs.