Mongol Empire his empire among his sons and immediate family, making the Mongol Empire the joint property of the entire imperial family who, along with the Mongol aristocracy, constituted the ruling class. Prior to the three western khanates' adoption of Islam, Genghis Khan and a number of his Yuan successors placed restrictions on religious practices they saw as alien. Muslims, including Hui, and Jews, were collectively referred to as "Huihui". Muslims were forbidden from Halal or "Zabiha" butchering, while Jews were similarly forbidden from Kashrut or "Shehita" butchering. Referring to the conquered subjects as "our slaves," Genghis Khan demanded they no longer
Mongol invasions of Tibet provinces. The Mongols granted the Sakya lama a degree political authority, but retained control over the administration and military of the region. As efforts to rule both territories while preserving Mongol identity, Kublai Khan prohibited Mongols from marrying Chinese, but left both the Chinese and Tibetan legal and administrative systems intact. Though most government institutions established by Kublai Khan in his court resembled the ones in earlier Chinese dynasties, Tibet never adopted the imperial examinations or Neo-Confucian policies. Buddhist monks from Tibet were popular and well respected in Mongol-ruled Iran (the Ilkhanate), Mongolia, China (the Yuan) and Central Asia (the