Trump has threatened to slap steep tariffs on Canadian goods, and both Carney and Poilievre said that, if elected, they would accelerate renegotiations of the countries' free trade deal in an effort to end the uncertainty hurting both of their economies.

Canadians vote on April 28 to elect a new prime minister. The key contenders are Mark Carney (Liberal) focusing on economic reform and government action, and Pierre Poilievre (Conservative) pushing for deregulation and tougher crime policies.