The contest between Mark Carney and Pierre Poilievre is likely to be dominated by one question: Who can best handle President Donald Trump and his threats?

Upon being sworn in as prime minister earlier this month, Mark Carney had said he could work with and respected Trump. On Sunday, however, he took a more combative approach.

Canadian Prime Minister Mark Carney called for an April 28 snap election just nine days after taking office, citing Trump's trade actions as a threat to sovereignty.