During what conflict was much of the economy of Spain put under worker control?
Gaston Leval: Gaston Leval (born Pierre Robert Piller October 20, 1895 – April 8, 1978) was an anarcho-syndicalist, combatant and historian of the Spanish Revolution. Spanish Revolution of 1936:  Much of the economy of Spain was put under worker control; in anarchist strongholds like Catalonia, the figure was as high as 75%, but lower in areas with heavy influence by the Communist Party of Spain.
Spanish Revolution