The Ustaše held the position that Eastern Orthodoxy , as a symbol of Serbian nationalism , was their greatest foe and never recognized the existence of a Serb people on the territories of Croatia or Bosniathey recognized only `` Croats of the Eastern faith '' .
The Ustaše held the position that Eastern Orthodoxy , as a symbol of Serbian nationalism to them , was their greatest foe . The Ustaše never recognized the existence of a Serb people on the territories of Croatia or Bosnia they recognized only `` Croats of the Eastern faith . ''