untry; Russians are the predominant nationality, and minorities include Tatars, Ukrainians, and Chuvash. More than 100 languages are spoken, but Russian is most commonly used in business, government, and education. Russian Orthodox Christianity is the primary religion, with an estimated 35 million adherents.
             Today's Russia inherited a well-developed system of education from the Soviet period, with an extensive network of preschool, elementary, secondary, and postsecondary institutions. The collapse of the Soviet system brought many changes to Russian education, especially regarding curriculum. Russian education now includes the teaching of previously banned literary works and a reinterpretation of Soviet and Russian history. The study of politically inspired subjects has ended.
             Russia's economy was severely disrupte
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