Meanwhile, Canada is the top export market for the US, which had an $8.4 billion surplus with the country in 2017, according to the Office of the United States Trade Representative.
Trump issues another Twitter salvo Sunday night, suggesting that Canada is "bragging" in an unspecified release about benefiting from USA trade - "Fair Trade is now to be called Fool Trade if it is not Reciprocal".
Trump tweeted, referring to Canadian Prime Minister Justin Trudeau.
In Quebec at the G7 the sherpas, political advisers and draftsmen toiled through two nights to find a form of words that all sides could sign up to.
Twitter conspiracy theorists have gone into a meltdown over them, with many replacing cries of "Fake News" with 'Fake Brows'. But lo, by the time I landed in Hong Kong to change flights I read that there was a joint communique.
Trump complained on Sunday that he had been blindsided by Trudeau's criticism of his tariff threats at a summit-ending news conference. But, Trump's defenders today say that he is simply standing up for America. After that, Trudeau's attack on the president - after a joint communiqué had been signed, and after Trump had already left for the summit with North Korea in Singapore - was not only offensive to Trump, but pathetic.
"Germany pays 1 percent (slowly) of GDP towards North Atlantic Treaty Organisation, while we pay 4 percent of a MUCH larger GDP", he wrote, saying that the U.S. was protecting Europe and being "clobbered on trade" in return.
Mr Trump went on to say that the United States gets "unfairly clobbered" on trade despite "protecting Europe at great financial loss".
"Any conversations about whether or not Russian Federation can come back round the table cannot take place until Russian Federation has changed its attitude", she said.
How to play Skyrim for Alexa on iPhone or Android
If you own an Amazon Echo or Amazon Dot, you can ask Alexa about the Skyrim skill. But after the announcement, it looks like Bethesda had the last laugh.
How did the spat unfold?
"[Mr Trudeau] really kind of stabbed us in the back", Mr Kudlow, the director of the National Economic Council who had accompanied Mr Trump to the summit of wealthy nations on Saturday, said on CNN's State of the Union. -Canada border. Trudeau told reporters that imposing retaliatory measures "is not something I relish doing" but that he wouldn't hesitate to do so because "I will always protect Canadian workers and Canadian interests". He justified President Trump's decision to drop out of a joint statement made by G7 countries this weekend. "But he acknowledged that deep disagreements remained between Mr. Trump and the leaders of the other nations, especially on trade".
In his tweets following the G-7 summit, Trump also indicated that he may soon target foreign cars produced for the USA market.
French President Emmanuel Macron's office issued a statement that warned "international co-operation can not be dictated by fits of anger and throwaway remarks". "Let's be serious", the French official, speaking on condition of anonymity, added.
"They should have said to him, 'God speed, you are negotiating with the insane nuclear tyrant in North Korea, and we are behind you, '" Kudlow added. Even before arriving in Charlevoix, the American leader drew fire from his G7 peers for new tariffs on imported steel and aluminum products including those from Canada and the European Union.
On 1 June, the United States imposed a 25% tariff for steel and 10% for aluminium on imports from the European Union (EU), Canada, and Mexico.
Mr. Trump insisted relationships with allies were a "10" just before he left the summit.
"We are convinced that a modernisation is perfectly possible, we are convinced that common sense will triumph", she said. Canada and Mexico are also taking action.