Explore theories, topics, and practices of conflict resolution such as mediation, peacebuilding, global approaches, and security issues. D.Litt candidates also do a concentration of 4 courses, which should be selected to achieve congruence and connectedness. D. Litt. students must declare a concentration prior to registering for their 6th course. Some A and L courses may serve different concentrations, depending on content and subject to consultation with one's adviser. Students must also take coursework from at least three separate areas of study. The revised available concentrations are: