The tone can portray the author's perception of his country because the tone will help the readers understand how the reader feel and his attitude towards his country.
Answer:
Personification
Explanation:
You are giving the anger the trait/ability to scream, which qualifies as personification.
Throughout the novel there are circumstances in which Gatsby shows he is modern such as his clothes, his car and even his house. These are all things that are different from other for example Tom who is old fashioned and the opposite of Gatsby.