Answer:
Step-by-step explanation:
I would say none of them, but I know that isn't correct.
It is not a similie: there's no like or as.
It is not an allusion. What is it alluding to?
It is not a hyperbole. The statement is not exaggerated in any way.
There is only personification left, and I would say that mother earth personifies all mothers who have lost sons. It is also true that nations cannot really gaze: the population of the nations can. So if you stretch it a bit, you have 2 personifications.