Canada said the higher levies, on items from aluminum foil to dishwashers to fish, would help protect workers, producers and manufacturers harmed by new Trump tariffs.
Detailed accounts of the final hours of the negotiations show that, while the United States offered Canada what it said was the best deal of any country, what Canada had to give up in exchange was seen as unthinkable.
In a court filing about honoring President Trump on the facade, the administration said that without a proper renovation the building might need to be “taken down.”