Complex sentence: The Qianlong Emperor issued direct orders for his commanders to "massacre" the Zunghars and "show no mercy", rewards were given to those who carried out the extermination and orders were given for young men to be slaughtered while women were taken as spoils.
Split into simpler sentences: The Qianlong Emperor issued direct orders for his commanders to "massacre" the Dzunghars and "show no mercy". Rewards were given to those who carried out the extermination and orders were given for young men to be slaughtered while women were taken as spoils.