That would be Josef Stalin.
Because communists took over the control of Russia from the Tsar. Communists were against war with Germany and hence agreed to end the war with Germany after they took the reign of Russia.
Lenin promised to get Russia out of World War 1
Vladimir Lenin took Russia out of World War 1.
No one took control of Mexico in 1917; however Vladimir Lenin took control of Russia in 1917.
He was the king of Russia but personally took control of his armies during World War I.
The Bolsheviks.
leader of Bolshevik party took control of Russia
The Cossacks never did take over Russia. They lived in and controlled certain areas of Russia, but they never took control of Russia itself.
World War I ended with uprisings and revolutions in several European countries. Communists took advantage of these uprisings and tried to take control of those countries. They were successful in Russia, and also tried in Germany (where they did control parts like Bavaria briefly) and Hungary (where they took control for about five months).
Vladimir Lenin is the revolutionary leader who took over Russia in World War 1.
Vladimir Lenin was leader of the radical socialists who took over Russia in World War 1.
Lenin took control making the Communist party.