History of Russia and by the 18th century, the Tsardom of Russia had grown to become the Russian Empire, stretching from eastern Poland to the Pacific Ocean. Peasant revolts were common, and all were fiercely suppressed. Russian serfdom was abolished in 1861, but the peasants fared poorly and often turned to revolutionary pressures. In the following decades, reform efforts such as the Stolypin reforms, the constitution of 1906, and the State Duma attempted to open and liberalize the economy and political system, but the tsars refused to relinquish autocratic rule or share their power. The Russian Revolution in 1917 was triggered by a
Russia in the European energy sector which stretch beyond 2025–2030. A number of disputes in which Russia was using pipeline shutdowns in what was described as "tool for intimidation and blackmail" caused European Union to significantly increase efforts to diversify its energy sources. During an anti-trust investigation initiated in 2011 against Gazprom a number of internal company documents were seized that documented a number of "abusive practices" in an attempt to "segment the internal [EU] market along national borders" and impose "unfair pricing". Russia in the European energy sector The Russian Federation supplies a significant volume of fossil fuels and is the largest exporter of oil