Dangerous SanctuariesSince the early 1990s, refugee crises in the Balkans, Central Africa, the Middle East, and West Africa have led to the international spread of civil war. In Central Africa alone, more than three million people have died in wars fueled, at least in part, by internationally supported refugee populations. The recurring pattern of violent refugee crises prompts the following questions: Under what conditions do refugee crises lead to the spread of civil