He added, "Canadians, we're polite, we're reasonable, but we also will not be pushed around".
"Just when we thought it couldn't get worse", Nicholas Burns, U.S. ambassador to North Atlantic Treaty Organisation in the George W. Bush administration, said on Twitter after Kudlow's appearance on CNN.
"Very childish and unprofessional behaviour", Gorka said. I really did, other than he had a news conference, that he had because he assumed I was in an airplane and I wasn't watching.
Mr Trump's advisers said the USA president believed he had been stabbed in the back by Mr Trudeau over United States tariffs. "You can't do that".
"On (Trump's) comments, I'm going to stay focused on defending jobs for Canadians and supporting Canadian interests".
Navarro said on Fox that his words came "straight from Air Force One". At that post-G7 press conference on Saturday, Trudeau had called USA steel and aluminum tariffs "insulting" and said he would proceed with retaliatory tariffs that he'd already announced.
He'll learn, he can't do that, ' Trump said of Trudeau's criticism. But the president broadsided his allies after leaving the meeting by disavowing a joint statement the USA had agreed to, criticizing Trudeau and vowing tariffs on automobiles.
At a press conference Saturday, Trudeau recommitted to imposing retaliatory tariffs on USA goods in response to Trump's steel and aluminum tariffs.
President Donald Trump says Canadian Prime Minister Justin Trudeau "learned" from the mistake of criticising him and it's going to cost Canada "a lot of money". "$800 billion trade deficit", he tweeted on Monday. It's either 17 but could actually be 100 billion. And I'll tell you this: "To my friends in Canada, that was one of the worst political miscalculations of a Canadian leader in modern Canadian history".
And add to that the fact that the USA pays close to the entire cost of NATO-protecting many of these same countries that rip us off on Trade (they pay only a fraction of the cost-and laugh!). Perhaps they were trying to show the power they have. President Donald Trump attacked America's closest allies in tweets after leaving the meeting in Canada. "They don't take our farm products - many of them".
"As an American, I hate this", Bruce Heyman, who was USA ambassador to Canada from 2014 to 2017, told CBC's On the Money.
While foreign policy issues such as North Korea do not usually have much bearing on the polls, Mr Trump's outburst against Nato allies, the European Union and Canada appeared aimed at striking a chord with voters who support his America First agenda.
Canada will have to make dairy concessions to get a US trade deal, but it does not have to mean dismantling supply management, Gifford said.