Complex sentence: Moslem militia in Herzegovina was distinguished from detachments of Moslem militia in Bosnia that was armed and controlled by NDH, while in Herzegovina Moslem militia was armed and commanded by Italians.
Split into simpler sentences: Moslem militia in Herzegovina was distinguished from detachments of Moslem militia from Bosnia. In Bosnia militi was armed and controlled by NDH, while in Herzegovina Moslem militia was armed and commanded by Italians.