Is there even a time limit to stay in KKKlanada for the US? Is there any part or privilege of Canada you cannot enjoy as a USian? Are they proposing economic and perhaps actual warfare so that customs is a little more convenient?
The biggest issue is that the canadians refuse to make their arctic waters into international waters. Its the same reason Donald wants Greenland and Germany is building a big port (Finnafjord Port) in Iceland for the EU.