Pierre Poilievre lost the vote for a constituency he has held for 21 years to a Liberal political neophyte. His populist approach may have been to blame.

The collapse of Canada’s minor parties accounts for some of this local-level volatility. The left-wing New Democratic Party fell from 18% of the vote to 6%. The right-wing People’s Party dropped from 5% to 1%.

Pierre Poilievre, leader of Canada’s Conservative Party, told President Trump to “stay out of our election” on Monday, as voters headed to the polls to determine the future of Canadian governance.