The main area of influence found in the excerpt is the author's heritage. The correct option is A.
This is a novel written by S. E. Hinton in 1961. This is a story about Ponyboy Curtis, and his problems with wrong and right in a society where he believes he is an outsider are told in this tale.
The main theme of the story is to find a difference between self identity and group identity.
Thus, the correct option is A.
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