Answer:
The Lost Generation
Explanation:
The Lost Generation was a group of people who lived after world war 1 they knew what it was like in the war because they served in the war.
War Communism was the name given to the economic system that existed in Russia from 1918 to 1921. War Communism was introduced by Lenin to combat the economic problems brought on by the civil war in Russia.
Economic activities nations also have similar
The answer is B. John Hay Hope this helps