He also said that because of Trudeau's comments, he instructed US trade representatives to not sign the communique the G-7 leaders had agreed upon expressing the need for "free, fair, and mutually beneficial trade".
The remarks have enraged U.S. President Donald Trump.
In a tweet posted Saturday evening, Trump said his decision was based on "false statements" made by Trudeau during a press conference he gave, as well as "the fact that Canada is charging massive Tariffs" on us companies.
Navarro, the Trump trade adviser, said his harsh assessment of what "bad faith" Trudeau did with "that stunt press conference" on Saturday "comes right from Air Force One".
Earlier in the day, reports The New York Times, Trudeau said the seven nations had come to an agreement on several foreign policy and economic goals, but he noted that some disagreements with Trump, primarily those on trade, remained.More news: Kia recalls over 500K vehicles due to faulty air bags
The announcement and Trump's planned tariffs have also put him on a collision course with Trudeau, leader of another key USA ally.
Trump lashed out at Trudeau after the G7 issued a joint communique on Saturday in which the embattled alliance managed to overcome some differences and find areas of common ground.
But I feel really confident", Trump said of Monday's meeting, which is the first between a North Korean leader and sitting US president, "It's never been done, It's never been tested. "Canada has objected in words, but will also do so in actions", she said, referencing the retaliatory measures Canada will impose next month. He says that we are the problem with tariffs.
Kudlow said on CNN that Trump's reaction to Trudeau's comments has been "in large part" because he does not want "any show of weakness" ahead of that meeting.
Trump earlier called on the G7 leaders to reinstate Russian Federation as a member.
US President Donald Trump who regularly threatens to pull out of NAFTA, insists that Canada and Mexico agree to a sunset clause that would allow a member nation to withdraw after five years.More news: Queen Elizabeth underwent cataract surgery, Buckingham Palace reveals
Donald Trump's top economic adviser is accusing Justin Trudeau of betraying the US administration hours after the president himself launched insults at the prime minister, calling him "very dishonest and weak".
Donald Trump and the White House are going after Justin Trudeau for this G-7 remarks over USA tariffs. He had other things, bigger things, on his plate in Singapore. He did him a favor and he was even willing to sign that socialist communique. "Trudeau stuck our president in the back and that will not stand". "That will not stand", he noted.
"In a matter of seconds, you can destroy trust with 280 Twitter characters", German Foreign Minister Heiko Maas said when asked about Trump's U-turn. "We're gonna fix that situation, and if it's not fixed, we're not going to deal with these countries".
"It's going to change", said Trump.
The majority of Canadian exports go to the United States, making Canada uniquely vulnerable to a US trade war.More news: "Kingdom Hearts III" Launches in the West on January 29, 2019
"We used fact-based arguments".
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