The latest escalation in the trade rift between Canada and the United States underscores growing strains in US relations with its traditional allies under the "America First" policy, experts said, as Ottawa vowed retaliatory tariffs on US goods after Washington announced 50-percent tariffs on imports from Canada.

Canadian Prime Minister Mark Carney vows to retaliate, says his country recognized that 'America has changed' and that the two countries would 'not return to our old relationship'

The United States is imposing 50% tariffs on $20 billion worth of Canadian products after last-ditch negotiations failed to resolve the latest strain in already tense relations…

Canada would match US tariffs "dollar for dollar", says Prime Minister Mark Carney.

US-Canada trade tensions have escalated after US President Donald Trump imposed 50% tariffs on Canadian imports following failed negotiations. From the USMCA review and…