Freeland said the memorials should help to add some context to the ongoing negotiations on free trade that were started at Trump's behest.
Trump almost tore up the NAFTA pact past year after visiting farmers in Wisconsin, a major USA dairy producer that Washington says has been hurt by Canadian protectionism. After more than a year of negotiations, Canada and the United States are still trying to resolve differences over the North American Free Trade Agreement, which also includes Mexico.
"The conversations over the weekend continued to be constructive and productive", she said.
"I believe things are going to work out".
"The U.S. knows what Canada's tough issues are, so they're going to hold those to the end, and squeeze out concessions on every other issue they can", said Ujczo, who is regularly briefed on the talks. "There (just) seems to be a wild card on there".
He also warned that the US and Mexico would move forward bilaterally without Canada.
"Even Canadian concessions on dairy may not be enough to make the USA keep the current dispute resolutions", said Carlos Capistran and Mingzi Yi, economists at Bank of America Merrill Lynch, in a note.
In Michigan, 259,000 jobs depend on trade and investment with Canada, the study said.
Officials say the main sticking points are Canada's dairy quota regime, Ottawa's desire to keep a dispute-resolution mechanism, and Canadian media laws that favour (921.23 billion pounds) domestically produced content.
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Canadian Foreign Affairs Minister Chrystia Freeland and U.S. Trade Representative Robert Lighthizer stepped away this week after two weeks of talks and it remains to be seen when they will be back. Canada and the U.S. Under U.S. trade negotiating laws, a text for that agreement is due by October 1.
"Maybe that helps us all put into perspective the negotiations that we're having - and also put into a little bit of historical perspective the importance and the significance of the relationship between Canada and the United States", she said of the anniversary.
With about half a million people in Canada working directly and indirectly for the auto industry, "the impact is huge", says Unifor president Jerry Dias.
"I think this is a complicated time for employees". But he noted that the pain would be felt on both sides of the border.
"For this government to go out and be seen as giving too much to the American side on agriculture, and dairy in particular, would be ... nearly suicidal politically", Charest said.
"Prime Minister Trudeau is right in that no deal - and waiting for more reason in future - is better than permanently signing onto a feature that guts NAFTA", Holt said.
That's a position that's been echoed by numerous experts, even as the political rhetoric continues to remain charged. Trump wanted changes that would destroy family farms across Canada, he said. "I can - all I have to do is tax cars - it would be devastating".
Mulroney, the former prime minister widely considered the father of the modern era of North American free trade, held court Tuesday in Ottawa on the fate of the intercontinental trade pact as talks to modernize NAFTA resumed on the anniversary of the September 11 terrorist attacks.