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.

Justin Trudeau has officially stepped down as the Prime Minister of Canada. Trudeau resigned on Friday after nearly a decade in power. He had announced his resignation in January, as polls indicated that his Liberal Party was likely to face defeat in the upcoming election.