Where do you notice the theme of naturalism?

Alism is commonly understood as an extension or intensification of realism. The intensification involves the introduction of characters of a kind…” (Baym, 1999) A perfect example of Naturalist work is Ethan Frome by Edith Wharton. Ethan, one of the main characters in the book, is a old, deformed man who is in love with his wife’s cousin. Zeena is Ethan’s wife who occasionally has psychological illnesses. Mattie is Zeena’s cousin and is in love with Ethan. There are many examples of naturalism in Ethan Frome: the characters, their deformities, and their lowly place in society, their bad luck, and distasteful environment they lived in.Ethan Frome, a significant character in the book, is very troubled. 

The error in the sentence is a dangling modifier

Look at the passages where the author describes the isolation and insanity that dr frankenstein has