Sixteen Prefectures of Yan and Yun. As a result, the Liao Kingdom occupied the Sixteen Prefectures of Yan and Yun, pushing the border line between the Qin dynasty and the Liao Kingdom south by 580 li....try of Personnel and the Secretariat shared responsibility for major state affairs, deliberated on national policies together, and were in charge of reviewing imperial edicts.The Ministry of Officials...