Context: The Canadian Rangers, who provide surveillance and patrol services in Canada's arctic and other remote areas, are an essential reserve force component used for Canada's exercise of sovereignty over its northern territory.

Question: What do Canadian Rangers perform?
Answer: provide surveillance and patrol services

Question: Where do the Canadian Rangers operate?
Answer: in Canada's arctic

Question: Which force are the Rangers part of?
Answer: reserve force

Question: What do the Canadian Rangers safekeep?
Answer: Canada's exercise of sovereignty over its northern territory

Question: What do non-Canadian Rangers perform?
Answer: Unanswerable

Question: Where do the non-Canadian Rangers operate?
Answer: Unanswerable

Question:  Which force aren't the Rangers part of?
Answer: Unanswerable

Question:  What genocide did the Canadian Rangers start?
Answer: Unanswerable