Vladimir Lenin. By him coming into play he lead a revolt against the Russian Tsar and his family. By doing so he and his communist friends took over Russia and made a revolution once he took over he took Russia out of the war to focus on the revolution that was going on.
Indian independence the main battlefields of World War I were fought in Europe. While Indian soldiers did play their part in the battles of WWI, they still mostly gained by it through gaining their independence as a country.
B. Carbon + Oxygen -> Carbon Dioxide
The Final Solution was the code name among Nazis in WWII for what we know as the Holocaust
The United States and the Japanese.