Answer:closer pleaseExplanation:
In Ancient times, sickness was thought to be caused by an excess of blood. Therefore, doctors would cut into their patients and let some of the blood out to help cure them. This theory advanced into thinking that the human body needed all of its "humors" to be balanced: blood was one of the humors so if the doctor thought you had an imbalance, they would 'let' some of the blood out.
This is because Jim Crow laws are the laws of racial segregation in the United states that existed from just after the Civil War up until the mid-sixties which is same as the 'To Kill a Mockingbird' by Harper Lee.
D. One of the most important characters in the story, on whom that plot is centered.
This character can also be known as the protagonist.
Hope this helps :)