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!
A.Online
All work cited pages should be at the bottom of the page. If not you can you use crest your own citation
You can knit a toy gnome and the difference is you can't knit a clay gnome
The phrase that reasonably represents the purpose of Nazario’s editorial is "to persuade readers the United States should change its refugee policy for Central America"The Nazario editorial is regarding an article written by Sonia Nazario where she voices her apprehension about the immigration policy of America towards Central America and why those policies should be reviewed and modified.