Complex sentence: In 1861 the Ottomans separated Mount Lebanon from Syria and reunited under a non-Lebanese Christian mutasarrif (governor) appointed by the Ottoman sultan, with the approval of the European powers.
Split into simpler sentences: In 1861 the Ottomans separated Mount Lebanon from Syria. They reunited the geography under a non-Lebanese Christian mutasarrif (governor) appointed by the Ottoman sultan and who had approval of the European powers.