President Donald Trump's top economic adviser says Canadian Prime Minister Justin Trudeau "really kind of stabbed us in the back" when Trudeau said at the end of the Group of Seven summit that Canada wouldn't be pushed around by the USA and its trade tariffs.
Last month, Canadian Prime Minister Justin Trudeau announced his government would retaliate against Trump's tariffs by imposing import taxes on $12.8 billion worth of USA imports in what Canada says its strongest trade action since the World War II.
In a flurry of tweets from Air Force One, en route to Singapore for a historic summit with North Korea's Kim Jong-un, Trump accused Justin Trudeau, Canada's prime minister and host of the summit in Quebec, of being "very dishonest".
The move enraged Trump, who branded his Canadian counterpart "dishonest and weak" in a furious tweet, announcing the U.S. would pull out of an agreed communique.
This followed two days of feuding with some of his closest allies - one French official told reporters of a "very unusual" and "bitter" exchange Friday between world leaders, describing the USA president making his case in a "Rant".
"He really kind of stabbed us in the back".
The president's move to reject the communique contradicted a statement from Trudeau earlier, in which the prime minister announced "we have released a joint communique by all seven countries".
In a news conference after the summit, the Canadian leader had reasserted his opposition to the United States tariffs, and vowed to press ahead with retaliatory moves on 1 July.
Kudlow, the conservative economist who directs the National Economic Council, was upset with Trudeau's comments at a press conference after the contentious Group of 7 summit in Quebec.
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. "Divisive rhetoric and personal attacks from the USA administration are clearly unhelpful". "And we don't want there to be one", the French leader said during a joint press conference Trudeau in Ottawa.
Mr Maas said: "It's actually not a real surprise, we have seen this with the climate agreement or the Iran deal".
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The acrimonious fallout from the G7 began after Mr Trump watched Mr Trudeau's end-of-summit press conference.
Mr Trump also said he might double down on import tariffs by hitting the sensitive auto industry, throwing the G7's efforts to show a united front into disarray.