Answer: I would have to say, it would be the cold.
If an asteroid hit them, wouldn't they be crushed entirely?
Ice doesn't crush anything.
So, that's why the cold is the correct answer..
Explanation: Just simple knowledge. Hope this helps you out! :D
The answers are Afghanistan and Red army, hope this helps all you testers!!
The answer is to use credit when you need to not when you want to.