Mark Carney will be sworn in as Canada's next prime minister on Friday morning, marking the final day of Justin Trudeau's more than nine years in power.

U.S. President Donald Trump, who has imposed tariffs on Canadian goods and threatened to make Canada the 51st state, has loomed large over the contest.

Mark Carney, who comes from a long career in finance, won the Liberal Party’s election on Sunday. His first challenge will be managing growing tensions with the U.S.