sentences:  After 1927, Korean proletarian literature started to revolve around ideas that involved intellectuals rather than focus on the struggles between the rich and poor.Examples of these works include "The Peasant Cho˘ng To-ryong" by Yi Ki-yo˘ng, "A Transitional Period" by Han So˘r-ya, "Rat Fire" by So˘hwa, and "Hometown" by Kohyang.Cultural movements, especially those of left-wing politics, were fundamental in driving the proletarian genre and movement in Korea.