The king's visit is being seen in Canada as an opportunity for the nation to bolster its sovereignty amid threats by President Trump to turn the United States' northern neighbor into the 51st state.

Prime Minister Mark Carney won the Canadian election vowing to take on President Trump. Tuesday, they meet for the first time in the Oval Office.

Mark Carney wins Canada's election, seizing on strong public sentiment against U.S. President Donald Trump. But it's still not clear if his Liberal Party has won an outright majority in Parliament.