Please answer the following question: Information: - Novocherkassk is a city in Rostov Oblast, Russia, located on the right bank of the Tuzlov River and on the Aksay River. Population: 168,746 (2010 Census); 170,822 (2002 Census); 178,000 (1974); 123,000 (1959); 81,000 (1939); 52,000 (1897). - The Province (Oblast) of the Don Cossack Host of Imperial Russia was the official name of the territory of Don Cossacks, roughly coinciding with today's Rostov Oblast of Russia. Its center was Cherkassk, later Novocherkassk. - Don Cossacks have had a rich military tradition, playing an important part in the historical development of the Russian Empire and participating in most of its major wars. - Rostov Oblast is a federal subject of Russia (an oblast), located in the Southern Federal District. The oblast has an area of and a population of 4,277,976 (2010 Census), making it the sixth most populous federal subject in Russia. Its administrative center is the city of Rostov-on-Don, which also became the administrative center of the Southern Federal District in 2002. - Vasily Denisovich Generalov ( Russian : ; 8 ( 20 ) March 1867 , Potyomkinskaya , Don Host Oblast - 8 ( 20 ) May 1887 ) was a Russian revolutionary and a member of Narodnaya Volya . In 1886 , Generalov enrolled in St. Petersburg University and later became a member of the '' Terrorist Faction '' of Narodnaya Volya . He took active part in preparing the assassination of Alexander III. On March 1 , 1887 , Generalov was arrested at Nevsky Prospekt , where he was supposed to murder the tsar . Generalov was tried and sentenced to death by hanging by the Special Presence of the Ruling Senate . He was executed in the Schlisselburg Fortress . - Russia (from the Rus'), also officially known as the Russian Federation, is a country in Eurasia. At , Russia is the largest country in the world by surface area, covering more than one-eighth of the Earth's inhabited land area, and the ninth most populous, with over 140million people at the end of March 2016. The European western part of the country is much more populated and urbanised than the eastern, about 77% of the population live in European Russia. Russia's capital Moscow is one of the largest cities in the world, other major urban centers include Saint Petersburg, Novosibirsk, Yekaterinburg, Nizhny Novgorod and Samara. - An oblast is a type of administrative division of Belarus, Bulgaria, Kazakhstan, Kyrgyzstan, Russia, Ukraine, and the now-defunct Soviet Union and Kingdom of Serbs, Croats and Slovenes. The term is analogous to "state" or "province". 'vasily generalov' is related to which object entity through the relation of 'country of citizenship'? Choices: - belarus - bulgaria - earth - kazakhstan - russia - russian empire - soviet union
Answer:
russian empire