9. which of the following is true? a. like the sui empire, the tang empire extended from korea in the west to manchuria in the east b. buddhism’s original focus on individual duty and salvation was alien to the chinese world view c. confucianism is less concerned with the observance of proper rituals than with performance of spiritual obligations d. an emphasis on sacrificial rituals rather than devotional worship enabled hinduism’s resurgence in india e. the concept of the ‘middle kingdom’ placed humans between the spiritual domain of heaven and the earthly domain of chang’an