In the book Persepolis what might be the purpose of publishing Iran's "martyrs"

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.

answer: the third option is your answer

explanation:

the answer should be a. the sui empire, the tang empire extended from korea in the west to manchuria in the east.