Harper Lee, in her novel To Kill a Mockingbird, addresses both issues of prejudice and tolerance by simply writing the novel. The novel drew great attention given it was released in 1960 (in the middle of the Civil Rights Movement). The United States was in the middle of social unease. Harper Lee's novel, in the midst of the turmoil, blatantly stated her position by presenting the issues in the novel itself.
Through the trial of Tom Robinson and the prejudice of the town of Maycomb, Lee showed the world the mentality of the South. Town like Maycomb littered the southern states. Atticus' character could have been created to illustrate what Harper Lee wished to happen in the South. Atticus' defending of Tom Robinson and his courage for going against the grain is most assuredly a mirroring of Harper Lee's own ideology regarding the racial inequality.