The novel's title symbolizes the competitive nature of capitalism; the world of Packingtown is like a Darwinian jungle, in which the strong prey on the weak and all living things are engaged in a brutal, amoral fight for survival. The title of the novel draws attention specifically to the doctrine of Social Darwinism, an idea used by some nineteenth-century thinkers to justify the abuses of wealthy capitalists. This idea essentially held that society was designed …showed first 75 words of 737 total…

…showed last 75 words of 737 total…esn't seem alien or foreign to the American mind. He repeatedly emphasizes that their values of hard work, family togetherness, honesty, and thrift are those of the American reading public. Sinclair doesn't attack the American Dream; instead, he uses the disintegration of the family to illustrate his belief that capitalism itself is an attack on the values that support the American Dream, which has long since been rendered hollow by the immoral value of greed.