Who said, "all our great presidents were leaders of thought at times when certain historic ideas in the life of the nation had to be clarified"?
a. john f. kennedy
b. harry s truman
c. andrew jackson
d. franklin roosevelt

(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

the answer is b just took the test