Use the term autocracy to describe the importance of the revolution in Russia in 1917.

The Bolsheviks were a Communist Autocratic Dictatorship under the Rule of Vladimir Lenin whiich Started the revolution in Russia and later became the Soviet Union in 1922.

the best description of postwar writers might be progressive.

following the war, writers showed a tendency to work on artistic or social matters rather than political themes. while postwar literature may not have been the greatest period of english literature, the themes provided excellent critics a high number of novels. such examples include anthony burgess, anthony powell and frank kermode, all of which can be placed under the progressive view.

this is a good question! i'll do some research and come back when i have the answer!