 Complete the following phrase:  The Russian Empire functioned as an absolute monarchy on the ideological doctrine of Orthodoxy, Autocracy, and Nationality until the Revolution of 1905, when a nominal semi-constitutional monarchy was established. It functioned poorly during World War I, leading to the February Revolution and the abdication of Tsar Nicholas II, in which the monarchy was abolished. In the October Revolution, the Bolsheviks seized power, leading to the Russian Civil War. The Bolsheviks 