This passage suggests that Inglis, despite her goals for change, is afraid, and realizes the challenge of her situation.
She wants to not only change Apartheid, but change the heart and perspective of the guard at her sister's jail, though she knows fully-well that this is going to be a difficult task. She also fears what will happen if she is unable to soften him.
Answer: mood
The mood is the emotions that the people in that area seem to be feeling based on an action done or something said
The introduction of the plot is the exposition
Answer: About their background, their family history; "they are not run of the mill people;" according the Scout, Atticus was not successful because it take a woman to have that talk.
Explanation: