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.

Canada's next prime minister has helped run two Group of Seven economies in crisis before and now will try to steer Canada through a looming trade war brought by U.S. President Donald Trump, a threat of annexation and an expected federal election.

Mark Carney is a newcomer to elected politics, with decades of experience in finance. After his landslide victory, he pledged to continue tariffs on the U.S. "until the Americans show us respect."