Trump announces additional 10-per-cent tariff on Canada over Ontario ad CTV NewsTrump says he’s hiking ‘tariff on Canada’ by 10% over Ontario government ad CBCTrump did not give Carney advance notice about tariff hike, official says CTV NewsWhat’s in Reagan advert that caused US-Canada trade talks to collapse? BBCOpinion: Is Ford’s ad to blame for Trump’s 10-per-cent tariff hike? Please, it’s an excuse The Globe and Mail
