Trump’s truculence has infuriated many Canadians, leading many to cancel U.S. vacations, refuse to buy American goods and possibly even vote early — a record 7.3 million Canadians cast ballots before election day. Trump also put Poilievre and the Conservative Party on the back foot after they appeared headed for an easy victory only months ago.

Canadians will vote for a candidate from one of the political parties in their federal “riding,” or district. Whichever candidate gets the most votes in a riding will become a Member of Parliament (MP) in the House of Commons, and the party with the most MPs wins the election.

More than seven million Canadians have already cast early votes in a record turnout. Polls open on Monday starting at 7:00 EDT (12:00 BST). Here is what you need to know. Preliminary results will likely come in late on Monday night or early on Tuesday morning, local time.