I think its an Idiom. I don't see like or as. So no simile. I don't see he is something like a marshmallow. - No metaphor. I also don't see a non-human thing doing human things- the grass was dancing in the wind. My answer would be an idiom.
Hope this helps!
focuses on the unity and strength of the american people and peoples of other nations who believe in freedom.
its the first one jeg thunk
if not srry
