Communities on either side of the line that divides the United States and Canada are closely intertwined.
DETROIT — At the U.S. Embassy in Ottawa, a quote from former President Ronald Reagan is engraved on one wall.
“Let the 5,000-mile border between Canada and the United States stand as a symbol for the future,” Reagan said upon signing a 1988 free trade pact with America’s northern neighbor. “Let it forever be not a point of division but a meeting place between our great and true friends.”
But a point of division is here. On Tuesday, President Donald Trump plans to impose a 25% tariff on most imported Canadian goods and a 10% tariff on Canadian oil and gas. Mexico is also facing a 25% tariff.
Canada has said it will retaliate with a 25% import tax on a multitude of American products, including wine, cigarettes and shotguns.
The tariffs have touched off a range of emotions along the world’s longest international …