Original sentence: In the course of time, the term Rus′ became restricted to western parts of present-day Ukraine (Galicia/Halych, Carpathian Ruthenia), an area where Ukrainian nationalism, competed with Galician Russophilia
Edited sentence: In the course of time, the term Rus′ became restricted to western parts of present-day Ukraine (Galicia/Halych, Carpathian Ruthenia), an area where Ukrainian nationalism, ardently supported by Austro-Hungarian authorities, competed with Galician Russophilia