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"
That statement is false
When displaying problems to the public, people become far less likely to admit any mistakes/shortcomings, which most likely would prolong the problems. Not only that, displaying it to the public would make people start to take sides and the conflict could spread to the rest of the group.
The correct answer is C: 90 percent of Iranians are Muslims, of Shia branch. Further 9 % of Iranians are Sunni, which makes 99% of Iranians Muslim! There is also a very small Christian community.