With the closing of plants like a 126-year-old G.E. factory, many in Peterborough, Ontario, scoff at the idea that Nafta benefits only Canada and Mexico.
A sweeping challenge to the Trump administration’s “America First” policies could add to tensions already frayed by Nafta negotiations.
The president will cast himself as a friend to farmers in a speech on Monday, but his position on trade and some parts of the new tax law threaten to undercut their interests.
Restricted from operating in the United States, most Mexican drivers must hand off their cargo. The Trump administration wants even tighter controls.
The decline in the American market in 2017 is expected to continue, and may force carmakers to trim production and find new ways to entice customers.
The case between two rival jet makers has bigger implications for the trade relationship between the United States and Canada, and the trade pact that governs it.