I think the author chose to start the book 19 years before the main events of the story so the reader could absorb things. The author technically wanted the reader(s) to understand something before reading the real story.
C. It helps us to frame the way we see events of the past.
Answer: The correct answer is option "E". Be as detailed as possible to avoid confusion.
Explanation: When writing the writer must think about the reader and feel empathy by putting himself in the shoe of the reader. A writer must avoid the use of ambiguous words or vocabularies that the reader will have to consult an encyclopedia before he can digest the message. The writer must be precise and clear and choose his words carefully in order not to confuse the reader.
A writer must always remember that for communication to occur the receiver must understand what the speaker is saying and be able to send a feedback.
I think it’s Cultural traits