The document discusses how horror films can act as a reflection of societal fears and issues. It addresses several topics including how the threats portrayed in horror films have evolved over time to better represent the fears of the era. For example, films after World War 2 featured more werewolf movies likely reflecting the violence of Nazis. The document also examines how horror films have addressed topics like racism, treatment of women, immigration fears and more. Many examples of specific films are provided that illustrate how the films incorporated themes relating to the societal issues of their time period and location.