Complex sentence: Frustrated by the state of Serbian politics and involved with a liberal and progressive group of people, Sava wrote an article openly criticizing the Minister of War, as a result he was fired from the army, however later that same year he was reintegrated.
Split into simpler sentences: Frustrated by the state of Serbian politics and involved with a liberal and progressive group of people, Sava wrote an article openly criticizing the Minister of War. As a result he was fired from the army; however, later that same year he was reintegrated.