Answer:
American literature and literature, in general, holds a close relationship with the reality it's been written in. It projects the writer's identity, desires and beliefs, this is not only reflected in the actions of the characters in some cases but also in the language they use, how they develop under certain situations, the direct beliefs stated in the text in some cases. As the author is a part of a society that in a way or another influences the way he creates his identity, its easy to say his creation also projects the American identity