Why did John Krakauer include this letter in his book?

Explanation:

In chapter 3, Krakauer includes an excerpt from a letter that McCandless sent to his sister Carine. ... Krakauer includes this letter because he is starting to delve more deeply into what we can infer are the troubled family dynamics that led McCandless to reject materialism and head into the wild.

scout gets in a bad position on the primary day of school since she can read and on the grounds that she can compose. she likewise gets in a bad position for explaining to miss caroline that she shouldn't attempt … to loan cash to walter on the grounds that he won't take it since he is to poor to pay it back.

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