It allows the reader to see how the character came to be who he or she is currently, it creates realism in the text, it creates tension between the narrator and the character, etc.
You asked a question but there no background to the question. you NEED to give a passage name of a book or something
Answer:
The author's purpose for including paragraph 15 was to make the story longer.
Explanation:
No need for an explanation.
Answer:
powerful enough to change one's mood
Explanation: