Softwood dumping by Canada has been a huge issue for over 40 years.
https://en.wikipedia.org/wiki/Canada%E2%80%93United_States_s...
So that's one (in which Canada happened to win multiple rulings at NAFTA and WTO panels).
Any others?
So that's one (in which Canada happened to win multiple rulings at NAFTA and WTO panels).
Any others?