A sampling of articles in the Spring 2016 issue of the Belfer Center's journal International Security.

International Security is America’s leading journal of security affairs. 
IS was ranked first in impact factor for 2014 among 85 journals of international relations in the annual “Journal Citation Reports”® released by Thomson Reuters. International Security’s 2014 Impact Factor is the highest of any international relations journals.

When do states carry out mass violence against minority ethnic groups collaborating with adversaries during wartime? A comparison of the policies of the Austro-Hungarian, Ottoman, and Russian Empires during World War I shows that states with influential political organizations reflecting non-ethnic social divisions are less likely to pursue mass killings of ethnic minority collaborators. This factor may also help prevent mass killing in contemporary ethnic conflicts.