What do thomas hobbes, jean jacques rousseau, and john locke have in common

i'd assume india mainly because of how isolated japan was.   plus it is a whole china away.

(202 bc - 220 ad) dynasty started by lui bang; a great and long-lasting rule, it discarded the harsh policies of the qin dynasty and adopted confucian principles; han rulers chose officials who passed the civil service exams rather than birth; it was a time of prosperity