This study aims to contribute to the reflection on the self-managed processes which occurred during the Spanish Revolution (1936-1939), a process that occurred in parallel to a cruel and bloody civil war. This research tries to understand the origin of self-management in Spain, in the 1930s, and to comprehend the causes of its expansion and contraction, influenced by both internal factors the civil war context, political-ideological disputes, economic issues, class struggle etc. and external factors mainly international diplomatic issues on pre-World War II context, although seeing the Spanish conflict as just a rehearsal for the War is questionable, and on the policy of weapon supply to the Republic . Upon getting into the...