In his striking novel The Grapes of Wrath, John Steinbeck integrates many different themes through the use of important characters like Tom, Jim Casy, and Rose of Sharon. These themes fall into two characters being primary and secondary, the primary being Humanity and the therefore lack of, and the secondary being strength in unity and unselfishness. John Steinbeck while writing the novel The Grapes of Wrath integrated primary themes that the reader should understand after reading. The first theme that can be showed throughout the book and is a primary theme would be humanity. This would mean humanity towards all things including other people and the environment. First seen very early in the book in Chapter 2 when we first get acquainted with Tom Joad at the moment when he asks for a ride from the Oklahoma City Transport Company truck driver. The Truck driver clearly has a sign that says no hitch hikers, but the truck driver risks his job letting Tom ride. “Scrunch down on the running board till we get around the bend.” (Steinbeck 11) The truck driver bends the rules in order to help a fellow human thus showing a sense of humanity in such hard times. This can also be seen in Chapter 15 when the rest stop waitress sells candy at reduced prices to a poor family trying to make their way to California, and again when the truckers realize that she did this and give her an extra trip for her good deeds. “"Go ahead—Al says totake it. She pushed the wax papered loaf across the counter.” (Steinbeck 205) Here, Mae sells the traveler a fifteen cent loaf of bread for ten cents because that is all that he can afford for bread, she also sells him nickel candy, two for a penny. This proves that a few people still do believe in humanity in a corrupt world. Another primary theme in this novel is the opposite of humanity, inhumanity. This can be seen a great deal