The United States and the world underwent a fundamental change because of the terrorist attacks of September 11, 2001. In addition to major wars, the event has brought up themes of security, torture, and the overall issue of terrorism in the 21st century. In
Parallel Lines: Post-9/11 American Cinema (Wallflower Press, 2014),
Guy Westwell, Senior Lecturer in Film Studies at Queen Mary, University of London discusses a large number of feature films related to the attacks. From documentaries to narrative films, Westwell presents a great survey of a still-growing topic.