The document discusses state and non-state terrorism. It defines terrorism as violent and premeditated attacks against political, economic, or civilian targets intended to spread fear and achieve a political goal, such as the September 11th attacks. State terrorism refers to violence committed by governments against domestic or foreign enemies. The causes of terrorism include historical grievances, poverty, oppression, ideology, and religion. Groups use terrorism because they believe violence can create political change. Terrorism represents asymmetric warfare for weaker groups against stronger states.