His first meeting with Donald Trump on Tuesday provided an opportunity for the successor of Justin Trudeau to assert that his country 'is not for sale' in response to annexation threats suggested in recent months by his American host.

Frank McKenna was Canada’s ambassador to the United States during the George W. Bush administration. He says, “We did not choose this fight. And make no mistake, we are prepared to fight back aggressively if the president insists on carrying on the fight.