Original sentence: They involved the redistribution of territories in the ex-Yugoslav republic of Bosnia and Herzegovina in which Croats and Serbs were 2 of 3 constitutive nations between Croatia and Serbia, in the way that territories with either Croatian or Serbian majority (or plurality) would be annexed.This meeting did not include the third and the largest group in Bosnia and Herzegovina, the Bosniaks (Bosnian Muslims)
Edited sentence: They involved the redistribution of territories in the ex-Yugoslav republic of Bosnia and Herzegovina between Croatia and Serbia, in that territories with either Croatian or Serbian majority (or plurality) would be annexed.This meeting did not include the largest group in Bosnia and Herzegovina, the Bosniaks (Bosnian Muslims)