Q:Information: - Moscow (or ) is the capital and most populous city of Russia, with 12.2 million residents within the city limits and 16.8 million within the urban area. Moscow has the status of a Russian federal city. - The USSR State Prize ("Gosudarstvennaya premiya SSSR") was the Soviet Union's state honor. It was established on September 9, 1966. After the breakup of the Soviet Union, the prize was followed up by the State Prize of the Russian Federation. - World WarII (often abbreviated to WWII or WW2), also known as the Second World War, was a global war that lasted from 1939 to 1945, although related conflicts began earlier. It involved the vast majority of the world's nationsincluding all of the great powerseventually forming two opposing military alliances: the Allies and the Axis. It was the most widespread war in history, and directly involved more than 100 million people from over 30 countries. In a state of "total war", the major participants threw their entire economic, industrial, and scientific capabilities behind the war effort, erasing the distinction between civilian and military resources. Marked by mass deaths of civilians, including the Holocaust (in which approximately 11 million people were killed) and the strategic bombing of industrial and population centres (in which approximately one million were killed, and which included the atomic bombings of Hiroshima and Nagasaki), it resulted in an estimated 50 million to 85 million fatalities. These made World WarII the deadliest conflict in human history. - 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. - Mikhail Vasil'evich Isakovsky (Glotovka, Smolensk Governorate, - Moscow, 20 July 1973) was a Russian poet, a laureate of two USSR State Prizes (1943, 1949), a Hero of Socialist Labor (1970). A member of CPSU since 1918. - The Holocaust (from the Greek ': "holos", "whole" and "kaustos", "burnt"), also referred to as the Shoah"' (Hebrew: , "HaShoah", "the catastrophe"), was a genocide in which Adolf Hitler's Nazi Germany and its collaborators killed about six million Jews. The victims included 1.5million children and represented about two-thirds of the nine million Jews who had resided in Europe. Some definitions of the Holocaust include the additional five million non-Jewish victims of Nazi mass murders, bringing the total to about 11 million. Killings took place throughout Nazi Germany, German-occupied territories, and territories held by allies of Nazi Germany. - Smolensk is a city and the administrative center of Smolensk Oblast, Russia, located on the Dnieper River, west-southwest of Moscow. Population: - '' Katyusha , '' also transliterated '' Katusha '' , '' Katiusha '' or '' Katjusha '' , ( Russian : - Little Catherine ) is a Russian wartime song composed in 1938 by Matvei Blanter with lyrics from Mikhail Isakovsky . It gained fame during World War II as an inspiration to defend one 's land from the enemy . The song combines elements of the heroic , upbeat battle song and of a peasant song depicting a girl longing for her absent love . Standing on a high riverbank , a young woman , Katyusha , sings of her beloved ( compared to '' a gray eagle of the steppes '' ) , who is a soldier serving on the border far away . The theme of the song is that the soldier will protect the Motherland and its people while his girl will preserve their love . While the song is joyful and filled with the imagery of a fertile , blooming land , it also conveys the sense that the motherland is under threat . '' Katyusha '' was first sung by female students from a Russian industrial school in Moscow to bid farewell to Russian soldiers going on the battle front against Nazi Germany in July 1941 . It quickly became popular throughout the USSR . Its first official performance was by Valentina Batishcheva in the Column Hall of Moscow 's House of the Unions . Later it was performed by Lidiya Ruslanova , Georgi Vinogradov , Eduard Khil , Anna German , Ivan Rebroff , Dmitri Hvorostovsky , Iosif Kobzon , countertenor Vitas , and other singers . '' Katyusha '' is part of the repertoire of the Alexandrov Ensemble . Katyusha is a diminutive form of the female name Ekaterina ( Katherine ) . The song is the probable source of the nickname of the BM - 8 , BM - 13 , and BM - 31 '' Katyusha '' rocket launchers that were used by the Red Army in World War II. - Smolensk Governorate, or the Government of Smolensk, was an administrative division (a "guberniya") of the Tsardom of Russia, the Russian Empire, and the Russian SFSR, which existed, with interruptions, between 1708 and 1929. - The United States dropped nuclear weapons on the Japanese cities of Hiroshima and Nagasaki on August 6 and 9, 1945, respectively, during the final stage of World War II. The United States had dropped the bombs with the consent of the United Kingdom as outlined in the Quebec Agreement. The two bombings, which killed at least 129,000 people, remain the only use of nuclear weapons for warfare in history. Given the information above, choose from the list below the object entity that exhibits the relation 'country of origin' with the subject 'katyusha '. Choices: - germany - moscow - russia - soviet union - united kingdom
A:
soviet union