How did military campaigns change China during the reign of Qianlong (1735–96)? The campaigns gave the Qing dynasty direct control over Japan. The campaigns gave the Qing dynasty direct control over Japan. , , Chinese forces secured the northwestern border against invasions by Mongols and Turks. Chinese forces secured the northwestern border against invasions by Mongols and Turks. , , China expanded its territory by gaining control over Tibet. China expanded its territory by gaining control over Tibet. , , The campaigns gave the military so much power that they directly ruled most towns.