Immigrants come to these two north american countries because of their high standards of living. canada greenland mexico u.s.

I think the question here asks for Canada and US: those two countries are know to be popular immigrant choices.

Also, while Greenland is part of Northern America, it has been closer associated with Europe, and it's rarely actually called a "northern American country"

It is disputed.

Explanation:

It is disputed whether Palestine or Isreal controls it.