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
Islamic and National Revolution Movement of Afghanistan to the Taliban, including the spiritual leader of the Taliban Mohammed Omar. The movement was also weakened by the founding of the breakaway National and Islamic Prosperity Party of Afghanistan, formed by Maulawi Muhammad Osman Salekzada, which captured much of the HIIs following in northern Afghanistan. After the death of its leader, Mohammed Nabi Mohamadi, in Pakistan in 2001, the leadership of the movement was taken over by his son Ahmad Nabi Muhammadi. Under its new leadership the name of the movement was changed to Islamic and National Revolution Movement of Afghanistan ("Harakat-e Inqilab-e Islami wa Melli-ye Afghanistan"). In April