The nature and patterns of modern conflicts of international character in XXI century are transforming at a faster pace than the theory can explain. The euphoria of early 1990’s about the ‘end of history’ faded quickly after Rwanda and Srebrenica, or even before that in Sumgayit and Baku. Re-assessed theories and explanations of international conflict and cooperation after the Cold War were not successful in preventing new circles of mass violence, genocide and other crises, understanding their root causes and creating a new security architecture in often-praised interconnected world.