How did the reunification of China encourage the spread of Buddhism? A. New emperors imposed Buddhism as the state religion.
B. For the first time, Buddhist traders were able to reach China.
C. Buddhist monks and texts moved more freely across a wider area.
D. Economic prosperity attracted more people to Buddhist art and architecture.

Which of these is not a criticism of the concentric zone model? it does not accurately describe cities after the rise of suburban development. it only applies to cities that grew after the development of the automobile. it assumes that inner-city areas will always be repurposed instead of abandoned. it places too much importance on the traditional central business district.