Allied intervention in the Russian Civil War Powers to withdraw from North Russia and Siberia in 1920, though Japanese forces occupied parts of Siberia until 1922 and the northern half of Sakhalin until 1925. In 1917, Russia was in a state of political strife, and public support for World War I and the Tsar was dwindling. The country was on the brink of revolution. The February Revolution changed the course of the war; under intense political pressure, the Tsar abdicated and the Russian Provisional Government was formed, led initially by Georgy Lvov and later by Alexander Kerensky. The Provisional Government pledged to continue fighting the Germans on
National Movement of the Revolution and a Political Bureau. The Political Bureau executed the decisions of the Central Committee. It also gave the President approval regarding the appointment of ministers in the government of the Republic. The leftwing faction of party was based in the northern areas of the country. MNR published the journal "Etumba". In August 1964, a founding congress of the Youth of the National Movement of the Revolution (JMNR) was held. JMNR soon went beyond the control of the party, and on June 20, 1965 a new paramilitary structure National Civilian Defense Corps ("Defense civile") was formed. The "Defense civile" was put