The full name of Russia today is __ a. Kievan Rus' b. Soviet Russia c. Russian Empire d. Russian Federation

The correct answer is d. Russian Federation.<br /><br />The Russian Federation is the official name of the country that exists today, which is commonly referred to as Russia. It is a federal semi-presidential republic that was established in 1991 following the dissolution of the Soviet Union. The other options provided are not accurate names for Russia today:<br /><br />a. Kievan Rus' refers to an early medieval state that existed from the late 9th to the mid-13th century, which is not the current name of Russia.<br /><br />b. Soviet Russia is not an official name for Russia. The Soviet Union was the official name of the state that existed from 1922 to 1991, and it was a socialist state that included Russia as one of its constituent republics.<br /><br />c. The Russian Empire was a state that existed from 1721 to 1917, which was a vast empire that included Russia and other territories. It was not the official name of the country during the Soviet era or the current era.<br /><br />Therefore, the correct answer is d. Russian Federation, which is the official name of the country that exists today, commonly referred to as Russia.