6. Which philosophy describes life as full of suffering caused by attachment to possessions and desires -- and spread to China through travelers on the Silk Road?
A. Christianity
B. Buddhism
C. Confucianism
D. Dynastic Cycle

the mongolian invasion of china and central asia resulted in a disruption of the silk road as the chinese garrisons lost support from the chinese kingdoms which fell under the mongols. however, as the mongols established a formal dynasty in china, the successors of genghis khan restored the garrisons along the silk road allowing the safe travel caravans again.