Russia is a country with full culture and history, its official religion is Orthodox Christianity, option d, which was inherited by the Byzantine Empire (former Eastern Roman Empire). Also, one of Russia's most known leader was Empire IV, also known as Ivan the Terrible, due to his cruel expansionist campaigns that transformed Russia from a small country into an empire, and that isolated Russia from the West, option b. Nowadays Russia's political center of administration is known as The Kremlin (similar to the white house), this site is a fortress and a symbol of power, option c, where the president works and controls the whole nation.