President Trump on Saturday slammed Canadian Prime Minister Justin Trudeau, saying he was "very dishonest and weak", and claimed the world leader made "false statements" following the G-7 economic summit.
Trump, who has recently clashed with Canadian Prime Minister Justin Trudeau over his decision to impose tariffs on imports of Canadian steel and aluminum, accused Trudeau of gouging the United States with his own tariffs.
Hours after the US president left the G7 summit in Quebec on Saturday, he launched insults at the prime minister, calling him "very dishonest and weak".
He also resumes his criticism against Canada for unfairly charging tariffs on dairy products heading to the United States.
"Canadians, we're polite, we're reasonable, but we also will not be pushed around", he added.
"I had good talks with Conte and I'll see him again before the summit, we'll talk about immigration and the European Union budget", Juncker said. "The prime minister said nothing he hasn't said before - both in public, and in private conversations with the president".
Canada's Prime Minister Justin Trudeau participates in the G-7 Working Session with Outreach Countries and International Organizations at the G-7 Summit in La Malbaie, Quebec on Saturday, June 9, 2018.
"People keep saying, "We're going to pull back" " from a trade war, said Mary Lovely, a Syracuse University economist.
Trump's didn't help matters by saying Russian Federation should be invited back to the yearly summit after being kicked out following its annexation of Crimea in 2014.
Talks on renegotiating the NAFTA began in August 2017 as Trump threatened to withdraw from the 23-year-old trade deal. "President Trump had no alternative, in my opinion".
In a message earlier on Friday on Twitter, Trump said the talks at the summit would "mostly center on the long time unfair trade practiced against the U.S.".
"The national security pretext is absurd and frankly insulting to Canadians, the closest and strongest ally the United States has had".
Mr Trump told reporters at the G7 Summit he believed North Korean leader Kim Jong-un could make his country great but warned him: "It's a one-time shot".
Trump's rejection of the global climate accord and Iran nuclear deal, supported by the European Union and Canada is going to be another flashpoint in the increasingly acrimonious relationship between Washington and its Western allies.
President Donald Trump's trade adviser says: "There's a special place in hell for any foreign leader that engages in bad faith diplomacy with President Donald J. Trump and then tries to stab him in the back on the way out the door".
Still, Trudeau also gave an account of his discussions with the USA president.