an american tragedy is dreiser's grestest work and the title of the book implies dreiser intention to tell us that it is the social pressure that makes clyde's downfall inevitableclde's tragedy is a tragedy that depends upon the american social system which encouraged people to pursue the dream of succees at all costsjack london he os one of the most articulate and militant apokesmen of the working class at the turn of thecenturyhe is a leading figure of naturalismmartineden is a novel into which jack london put most of in it he wxpresses the contradiction of embrachg thesocialism of marx on the onthe one and belicing in the triumph of the strongest individual on the other hand the way martin eden ends his life shows the disillusionment of the american dreamthe call of the wild is london's best-known story in which the protagonist is a sled-dog who under the pressure of the environment reverts to savagerythe law of life address es the nature and experiencce of a tribal leader's death