The NEP had been Lenin's response to a crisis. In 1920, industrial production had been 13% and agricultural production 20% of the 1913 figures. Between February 21 and March 17, 1921, the sailors in Kronstadt had mutinied. In addition, the Russian Civil War, which had been the main reason for the introduction of War Communism, had virtually been won; and so controls could be relaxed.