> As a Canadian (currently living in the US), I think that Canada would be more opposed to this. We always seem to have a fear of the US amalgamating us.
If it helps, Switzerland joined the Schengen area while maintaining its own customs controls (with reasonably consistent enforcement) and autonomy on immigration policy (outside of temporary tourist travel which is mostly harmonized). Major policy unification isn't necessary, although the minimum feasible level is likely still unprecedented for the US and Canada.
If it helps, Switzerland joined the Schengen area while maintaining its own customs controls (with reasonably consistent enforcement) and autonomy on immigration policy (outside of temporary tourist travel which is mostly harmonized). Major policy unification isn't necessary, although the minimum feasible level is likely still unprecedented for the US and Canada.