The Conservative Party was once considered the heavy favorite in Canada’s election. But President Trump’s trade war has upended the campaign, with the Liberal Party surging.

Canada’s new prime minister, a political novice, is on the cusp of leading his party to a comeback, fueled in part by President Donald Trump’s attacks.

The Conservative Party chipped away at the lead held by Mark Carney’s Liberals in the final days of Canada’s election campaign, though surveys still point to a probable Liberal victory in Monday’s vote.