History of Soviet Russia and the Soviet Union (1917–27) the position of People's Commissar of War before the end of the year. In 1925, Trotsky was denounced for his essay "Lessons of October," which criticized Zinoviev and Kamenev for initially opposing Lenin's plans for an insurrection in 1917. Trotsky was also denounced for his theory of permanent revolution which contradicted Stalin's position that socialism could be built in one country, Russia, without a worldwide revolution. As the prospects for a revolution in Europe, particularly Germany, became increasingly dim through the 1920s, Trotsky's theoretical position began to look increasingly pessimistic as far as the success of Russian socialism was concerned.
Greek Operation of the NKVD end of this campaign. A wave of Greek emigrants from the Soviet Union in 1937—1939 is often considered a consequence of Stalinist persecution of the Soviet Greek national movement. The 1926 Soviet census registered 213,765 Greeks in the country and 286,000 in the 1939 census. On 9 August 1937, NKVD order 00485 was adopted to target "subversive activities of Polish intelligence" in the Soviet Union, but was later expanded to also include Latvians, Germans, Estonians, Finns, Greeks, Iranians and Chinese. The prosecution of Greeks in USSR was gradual: at first the authorities shut down the Greek schools, cultural centres, and