Terrorism, Security and Nationality shows how the ideas and techniques of political philosophy can be applied to the practical problems of terrorism, State violence and national identity. In doing so it clarifies a wide range of issues in applied political philosophy including ethics of war; theories of state and nation; the relationship between communities and nationalisms; human rightss and national security. Paul Gilbert identifies conflicting conceptiona of civil strife by different political communities and investigates notions of terrorism both as unjust war and as political crime. He concludes by considering the proper response of the State to political violence.