As the two countries struggle over a trade war sparked by President Trump's tariff hikes, the U.S. president gave a full display of his unique mix of graciousness and aggression.

In a meeting at the White House Tuesday, newly elected Canadian Prime Minister Mark Carney poured cold water on President Trump’s suggestion that the United States could annex Canada, while simultaneously attempting to strike a friendly disposition.

President Donald Trump has been making false claims about Canada for months. He did it again in the days leading up to his scheduled Tuesday meeting with Prime Minister Mark Carney. In an interview that aired Sunday on NBC,