Rasputin was .
killed during the siege of Leningrad
a supporter of Lenin's who undermined the Tsarist regime from the inside
a traitor who sold Russian military secrets to the Germans
a leader of the Mensheviks who tried to sieze power during the Russian Revolution
a religious mystic who held influence over the Russian royal family
Which of these major powers was most involved and invested in the Balkan region during the First World War?
France
The United States
Germany
Italy
Russia