The given volume provides insight into the integrated cooperation that was built in the trilateral scientific project "Aggression and Argumentation. Discourses of Conflict and their Linguistic Negotiation". Presented here are analyses of the relationship of language and power, the interplay of aggression and argumentation, as well as of cooperation and conflict. The Russian-Ukrainian conflict is an important, but not the only starting point for the analytical reflections, that are enriched through research on further conflict situations in Eastern European and (post)socialist areas like former Yugoslavia, the South Caucasus, Poland and the Czech Republic.