The two leading candidates, Pierre Poilievre and Mark Carney, both plan to fight the U.S., its largest trading partner, over tariffs. But who would be more successful as relations grow icy?

Canadians go to the polls on Monday after an election campaign in which U.S. President Donald Trump's tariffs and musings about annexing Canada became the central issue. Trump's threats ignited a wave of patriotism that swelled support for Liberal Prime Minister Mark Carney,

In their backgrounds and political styles, Canadian election front-runners Mark Carney and Pierre Poilievre are a study in contrasts.