Mulroney and Trump are also known to have been friends.
Trudeau said at the press conference that Canada would not be "pushed around" by the United States. The two leaders also stood side-by-side for a photo of the world leaders together, showing that Trudeau is visibly taller than Donald Trump.
One particular source of his ire recently has been Canada's supply management system, which levels tariffs of up to 300 per cent on imported dairy products. "Obviously, we don't want to be held hostage to these tariffs Donald Trump has arbitrarily put in place, but there are other things that we would like to see in terms of advancing the free trade agenda".
It now appears clear that the White House attempted to use Canada's interest in a successful G-7 summit to extract trade concessions.
"That's going to cost a lot of money for the people of Canada; he learned", Trump said wagging his finger.
Trudeau promised retaliatory measures against US tariffs on Saturday evening after the summit, a move Navarro called "nothing short of an attack on our political system".
The prime minister said although retaliation "is not something I relish doing", he would not hesitate to do so because "I will always protect Canadian workers and Canadian interests".
The prime minister has kept a low profile since Trump called him "very dishonest and weak" and withdrew support for a Group of Seven communique reached at the summit Trudeau hosted in Quebec on Saturday.
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Kudlow said Trudeau had engaged in a "a sophomoric political stunt for domestic consumption" and should apologize.
The slow progress of the talks - the Trump administration has missed multiple deadlines to notify Congress of modifications to the agreement - has been accompanied by a hardening of US tactics over the past month.
"We finished the (G7) meeting and really everybody was happy".
Ries says that strong stance could help more Americans realize they don't want a trade war with Canada. "In conveying that message I used language that was inappropriate". "He should never have said it", Reagan said.
Foreign Affairs Minister Chrystia Freeland first announced "dollar-for-dollar tariffs" against the US on May 31.
"Canada does not conduct its diplomacy through ad hominem attacks".
"From day one, we have said that we expected moments of drama and that we would keep calm and carry on throughout this drama", she said.
How should Trudeau respond to the White House's insults? The hotel opened by Friedrich Trump in British Columbia was the start of the Trump family real estate empire, and both Donald Trump and the White House seemed happy with the gift, even bragging about it on Twitter.