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.

Mark Carney, the former governor of the Bank of Canada, was overwhelmingly elected the leader of the Liberal Party and the Great White North's next prime minister on Sunday.

Former central banker Mark Carney will become Canada’s next prime minister after the governing Liberal Party elected him its leader Sunday as the country deals with U.S. President Donald Trump’s trade war and annexation threat,