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. - 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. - Moscow Strikes Back ( Russian : , Razgrom Nemetskikh Voysk Pod Moskvoy , '' Rout of the German troops near Moscow '' ) is a Soviet war documentary about the Battle of Moscow made during the battle in October 1941 -- January 1942 , directed by Leonid Varlamov and Ilya Kopalin . - The Battle of Moscow is the name given by Soviet historians to two periods of strategically significant fighting on a sector of the Eastern Front during World War II. It took place between October 1941 and January 1942. The Soviet defensive effort frustrated Hitler's attack on Moscow, capital of the Union of Soviet Socialist Republics (USSR) and the largest Soviet city. Moscow was one of the primary military and political objectives for Axis forces in their invasion of the Soviet Union. 'moscow strikes back' is related to which object entity through the relation of 'country of origin'? Choices: - moscow - russia - soviet union
Answer:
soviet union