"Injustice anywhere is a threat to justice everywhere," argued Martin Luther King, Jr. This philosophy is the essence of Lee's entire novel but it is beginning to truly take shape in this chapter as Tom Robinson goes on trial for his life. Scout, Jem, and Dill watch the unfair treatment of Tom as prejudicial words fly around the courtroom. Be sure you understand how the justice system is failing by taking our exclusive, interactive quiz over Chapter 19 of To Kill a Mockingbird. Each of our questions is ranked so that you can understand the level of difficulty and see how your score compares with others who have also taken this quiz. Give it a try below!