Why did the Tsarist regime collapse in 1917? STUDY. PLAY. What is the main feature of the Tsarist rule over Russia in the early twentieth? The Tsarist rule over Russia was autocratic. There was no parliament and election in Russia so the Tsar had the total power, which was support by the Orthodox Church. The Tsar believed he had the divine right to rule and he was chosen by the God. He had the.