Selective humanitarians: how region and conflict perception drive military interventions in intrastate crises

Why are some violent intrastate crises more likely to prompt humanitarian military interventions than others? States appear to intervene robustly in reaction to some internal conflicts, such as Kosovo, but withhold similar options in more intense conflict, as in Darfur. Much of the research on this ‘selectivity gap’ focuses on universal norms or geopolitical interests. I, however, argue that the selectivity of these interventions is a product of regional variations interacting with conflict perceptions. This paper introduces a dataset of almost 1000 observations of intrastate armed conflict between 1989 and 2014, paired with international military responses and non-responses, as well as an Intervention Index that accounts for the intensity of military interventions. I find that once a threshold of human suffering is met via the existence of an internal armed conflict, powerful states will intervene depending on whether the conflict occurs in the Western sphere of influence and whether it is denoted as an identity war. A Western region coupled with no perceptions of identity-based civil war prompts the greatest odds of humanitarian military intervention. Such conclusions carry implications on the role of norms and interests in international politics, as biased by region, and for military intervention as a policy choice.