Why it matters: Liberal Party members' vote for Mark Carney, former governor of the Banks of Canada and England, comes as the Liberal Party is experiencing a polling boost amid widespread opposition to President Trump's policies targeting its northern neighbor.

The prominent central banker and investor was chosen in a crucial leadership race amid threats from President Trump. He is expected to quickly call a federal election.

Former central banker Mark Carney will become Canada’s next prime minister after the governing Liberal Party elected him its leader as the country deals with U.S.