Answer :
Final answer:
The purpose behind Helen Keller's writing of 'Optimism' is known as her purpose.
Explanation:
Keller's reason for writing 'Optimism' is called her purpose.
In the text, the author's purpose is the underlying rationale behind why she wrote 'Optimism.' It encapsulates her intention, goal, or objective for creating the piece.
An example would be Helen Keller's purpose for writing 'Optimism' could be to inspire others through her personal experiences and beliefs.
Learn more about Author's purpose in writing 'Optimism' here:
https://brainly.com/question/16859767
Answer: D. Purpose
Explanation:
A purpose is the reasoning or motivation to do something in life. In the context of this situation, Keller wrote "Optimism" for a purpose, which would be her motivation. The claim, counterclaim, and evidence are all things that are put into the writing to support the purpose.