Complex sentence: After receiving permission from the admirals of the International Squadron to shell the insurgents, the Ottoman Navy ironclad "Mukaddeme-i Hayir" fired three rounds, the first of which was particularly accurate, and her gunfire cleared the hillsides around the blockhouse of insurgents.
Split into simpler sentences: After receiving permission from the admirals of the International Squadron to shell the insurgents, the Ottoman Navy ironclad "Mukaddeme-i Hayir" fired three rounds. The first one was very accurate, and her gunfire cleared the hillsides around the blockhouse of insurgents.