Original sentence: Though initially supporting the Hungarian Revolution of 1918  which follwed the fall of the Habsburg Monarchy, Szabó soon developed into an outspoken and vehement opponent of the short-lived Hungarian Soviet Republic proclaimed by Bela Kun
Edited sentence: Though initially supporting the Hungarian Revolution of 1918 which followed the fall of the Habsburg Monarchy, Szabó soon developed into an outspoken and vehement opponent of the short-lived Hungarian Soviet Republic proclaimed by Bela Kun