US, Canada Tariff Row Escalates. The Political Fallout May Be Bigger Than Economic Impact..
The retaliatory move announced by Canada is seen as escalating the trade war between the two countries. It has also cast doubts on the future of a North American trade pact between the US, Canada, and Mexico, seen as a vital for the industry in all three countries.

US, Canada Tariff Row Escalates. The Political Fallout May Be Bigger Than Economic Impact..
The retaliatory move announced by Canada is seen as escalating the trade war between the two countries. It has also cast doubts on the future of a North American trade pact between the US, Canada, and Mexico, seen as a vital for the industry in all three countries.

Source:https://www.ibtimes.com/us-canada-tariff-row-escalates-political-fallout-may-bigger-economic-impact-3806675