This document discusses the definition and causes of civil war. It defines civil war as involving armed conflict between a government and identifiable rebel groups that results in over 1,000 battle-related deaths in a year. The document explores various perspectives on the root causes of civil war, including identity hatred, globalization, bad governance, greed and grievances over resources, as well as the impact of the post-Cold War international system and involvement of warlords, militias and private military companies. It notes there is no consensus but that the impact on civilians through violence and landmines is immense and long-lasting.