Chapter 1. Negotiating Aggression: From Rome over Kampala to New York.- Part I. What is Aggression?.- Chapter 2. Aggression from a Sociological Perspective.- Chapter 3. Dimensions of Aggression in Social Psychology.- Part II. States as Aggressors.- Chapter 4. How far is it from Münster and Osnabrück to Kampala? State Aggression, the Use of Force, and Statehood in a World Society Perspective.- Chapter 5. States as Aggressors: Some Economic Perspectives.- Part III. Regulating Aggression.- Chapter 6. The Crime of Internal Aggression: An Outline of an Idea.- Chapter 7. The Versailles Treaty and the Idea of Prosecuting Wars of Aggression.- Chapter 8. Approaches of International Organisations and Institutions towards Acts of Aggression.- Part IV. Legitimizing Aggression.- Chapter 9. State Sovereignty and the Legitimacy of Aggression.- Chapter 10. The Crime of Aggression and the Prohibition of the Use of Force - Reflections on the Relation between the Rome Statute and General Public International Law.- Part V. Individualizing Guilt.- Chapter 11. Individualizing Guilt at Nuremberg.- Chapter 12. Criminalizing Interstate Wrongdoing.- Part VI. Prosecuting Aggression.- Chapter 13. The Political Dimension of Aggression Trials: The Role of the Security Council.- Chapter 14. Key Risks and Difficulties of Aggression Trials.- Appendices.