Twain shows a boy who was raised and taught that slaves were property and were not equal to him realize that what he has been taught is wrong. We can see Huck slowly seeing the reality of slaves when he states, "I’do believe he [Jim] cared just as much for his people, as white folks does for their'n..."(Twain 183). The novel shows that once Huck recognizes that Jim who is a black slave is equivalent to a “white folk” and is no longer just property like he was raised to believe he chooses to “go to hell” rather than go along with the rules and follow what he has been taught. We not only see morality and moral development in Huck but also in Jim a slave who sacrifices his freedom to help Tom the symbol of a racist southerner a boy who has caused him nothing but pain and discomfort.Twain uses Huck and Jim to show morality but also uses the Duke and the King to show the negative results of being immoral. Through the Duke and the King Twain shows how greed, lying, cheating, stealing, and corruption only brings you to your doom and that acting morally like Huck and Jim will bring you joy and freedom. All these moral development and lessons are a positive contribution to high school students who tend to focus on themselves and through this book can