POUM

The Workers' Party of Marxist Unification (Spanish: Partido Obrero de Unificación Marxista, POUM; Catalan: Partit Obrer d'Unificació Marxista, POUM) was a Spanish communist party formed during the Second Republic and mainly active in Catalonia and the Valencian Country around the Spanish Civil War. It was formed by the fusion of the TrotskyistCommunist Left of Spain (Izquierda Comunista de España, ICE) and the Workers and Peasants' Bloc (BOC, affiliated with the Right Opposition) against the will of Leon Trotsky, with whom the former broke.