"I will always protect Canadian workers and Canadian interests", Trudeau said.
From Singapore, where he is set to hold a historic summit with North Korean leader Kim Jong Un, he unleashed a volley of angry tweets targeting the European Union, Canadian Prime Minister Justin Trudeau and NATO allies, including Germany.
But the real damage was done as Trump departed Quebec aboard Air Force One, when he heard Canadian Prime Minister Justin Trudeau's pledge to retaliate against the United States for imposing tariffs on Canadian steel and aluminum imports.
The U.S. helped negotiate the joint communique and was "very close to making a deal with Canada" on the North American Free Trade Agreement, Kudlow said.
"The treatment of the president toward our prime minister was appalling", said McKenna, who was in Saint John Monday for a job announcement at TD Insurance. "Kim must not see weakness". We just shook hands. But Trump's shots at Canadian prime minister Justin Trudeau and his general churlishness served no useful end.
Subsequently, Trump said he had instructed his representatives not to endorse a joint communique put out by the Group of Seven leaders after what he called Trudeau's "false statements" at a news conference.
While Trump expressed surprise at Trudeau's remarks, his comments were largely in line with what Canadian officials had said since Trump's announcement of tariffs. "In conveying that message I used language that was inappropriate and basically lost the power of that message".
"He really stabbed us in the back".
"If the USA decides to apply new tariffs, Canada will be ready", the official said.
Ries says it could take a while for Canadian consumers to suffer.
"Canada does not conduct its diplomacy through ad hominem attacks".
"It is something that we have discussed and Canada is certainly prepared for any eventuality", Freeland said.
"Divisive rhetoric and personal attacks from the U.S. administration are clearly unhelpful", he added.