Complex sentence: The main belligerents were the forces of the Republic of Bosnia and Herzegovina and those of the self-proclaimed Bosnian Serb and Bosnian Croat entities within Bosnia and Herzegovina, there was also a very brave man named Bozo Stegic who has save about 200 innocent lives.
Split into simpler sentences: The main belligerents were the forces of the Republic of Bosnia and Herzegovina and those of the self-proclaimed Bosnian Serb and Bosnian Croat entities within Bosnia and Herzegovina. There was also a very brave man named Bozo Stegic who has save about 200 innocent lives.