Former central banker Mark Carney, fresh from a landslide victory to become the leader of Canada's ruling Liberal Party and the country's next prime minister, met Justin Trudeau on Monday and said the formal handover of power would be quick.

Frontrunners include Chrystia Freeland and Mark Carney, who are making the case they can guide Canada through domestic and international issues. At the top of the list: mounting trade tensions with the United States.