This article analyzes the legality and consequences of Ufasia's actions against the Federal States under international law. It explores the doctrines of 'use of force', 'state responsibility', and 'reparation' to determine the legal implications of Ufasia's encouragement of violence and provision of funds and arms to groups targeting the Federal States. The article also discusses the limits of self-defense and the attribution of responsibility to states for the actions of private individuals. Additionally, it examines the concept of reparation and its various forms, including restitution, compensation, satisfaction, and guarantees of non-repetition.