Insurrectionary anarchism is a revolutionary theory and tendency within the anarchist movement that emphasizes insurrection as a revolutionary practice. It is critical of formal organizations such as labor unions and federations that are based on a political program and periodic congresses. Instead, insurrectionary anarchists advocate informal organization and small affinity group based organization. Insurrectionary anarchists put value in attack, permanent class conflict and a refusal to negotiate or compromise with class enemies. Associated closely with the Italian anarchist movement, the theory of insurrectionary anarchism has historically been linked with a number of high-profile assassinations, as well as the bombing campaigns of the Galleanisti and Informal Anarchist Federation (FAI). Source: Wikipedia (en)