Ontario's ad criticizing tariffs aired during the World Series, hours after President Donald Trump said he'd slap new tariffs ...

Donald Trump is stewing over an Ontario ad campaign that invoked former President Ronald Reagan to argue against his tariffs.

Ontario Premier Doug Ford says he’s pulling the TV ad that caused President Donald Trump to say he was ending trade ...

The measure was in response to what the U.S. president called “misrepresentation” of Ronald Reagan’s comments.

Trump ended trade talks with Canada after Ontario aired a Reagan quote in a tariff ad the Reagan Foundation called ...

Trump, who called the ad misleading, had ended trade talks with Ottawa on Thursday, a day before escalating the tariff issue.

The leader of Canada’s most populous province is bragging about the impact of his anti-tariff ad that prompted U.S.

President Donald Trump said he's terminating trade negotiations with Canada citing a negative TV advertisement about tariffs.

President Donald Trump announced he's adding an extra 10% tariff on Canadian imports over a negative TV advertisement ...

Canadian PM Mark Carney spoke to reporters after trade talks with the U.S. collapsed last week. Carney revealed that Ottawa ...

President Trump announced Saturday that he is raising U.S. tariffs on Canada by an additional 10% in response to the continued airing of an anti-tariff advertisement created by the local government of ...