naturalism is a literary school which comes into  being in france and be flowed into ameican in the latter part of 19th century .  they emphasis on the lower class .they pay more attention to the truthful of life! a world of painful is many writers' theme!

theodore dreiser 's masterpiece is  sister carrie is not a successful because he deplicted a truthful of the society .the mai character all want to change theie fates and a lot of conflicts is generated !

the financier   the  titan  the stoic   

men is controlled by envionment and emotion!