Absolutely. Canada for example should not be shipping lumber and oil to the United States for further refinement. It should be processed domestically.
I fully, 100% expect this to happen, at least to Greenland and a real chance of this happening to Canada.
Canada and the US have been to court multiple times over NAFTA violations (sometimes Canada is at fault admittedly).
https://www.international.gc.ca/trade-agreements-accords-com...
2. Profits.
3. Refined products can be exported to countries that don't have refinement capabilities. Not just the US and China. This gives Canada better trade leverage.
4. Security. A big one that's emerged in the last few weeks.
I don't see either Poilievre or Carney talking about this which is disappointing but not unexpected.