The Blue Jays, Canada’s only M.L.B. team, were a salve for a country hit by President Trump’s threats and tariffs. Then the Dodgers ended their thrilling postseason run.

© Ian Willms for The New York Times

The Blue Jays and the Dodgers play Game 1 of the World Series tonight, and for Canada’s team home-field advantage is as big as the entire country.

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