The document discusses the theme of racial injustice towards African Americans throughout history. It provides examples from the novel To Kill a Mockingbird which illustrates racial injustice in the 1930s in Maycomb, Alabama. The novel shows that a black man was wrongfully accused of raping a white woman due to the social hierarchy and racism of the time. Additional examples of racial injustice discussed include slavery, the Civil Rights Movement led by Martin Luther King Jr. and Rosa Parks' role in the Montgomery Bus Boycotts.