Evil aliens have decided to kill everyone on Earth! Fortunately, they've given you two minutes to save as many as you can. All you have to do is name a country to save everyone in it.
For the clue "A term for people who dwell in rural, mountainous areas" please accept hillbillies. Hillbilly is the term for a person, for people (as the clue states), the plural hillbillies really is the proper answer.