A distinguished selection of contributors provide the theoretical background to the restructuring of Europe that is currently underway. It attempts to situate the ethical debates in a historical, legal and constitutional context, considering important and topical issues such as the rights to seccession and self-determination of minorities in Eastern Europe, and the question of whether national movements are justified in using force to achieve their ends. The authors number legal and constitutional scholars, political philosophers and international relations theorists. There are contributions from Poland and Croatia.