Psychological and Biological Slavery Huck's Chains Slavery in our society is usually thought of as physical. However, as the critic Keith Neilson stated, there are many forms of slavery. Mark Twain's novel, The Adventures of Huckleberry Finn, contains many varied examples of slavery. In fact, Neilson believes that the novel actually "about slavery--political, institutional, religious, biological, psychological, and moral..."(xi). Because Mark Twain's novel is set in the American 1840s, it reflects the points of view of individuals and society in this time, which differs greatly from now, the American 1990s. Three types of slavery that catch the rea