Ahistorical source for the biography of lao tzu comes from a work by ssu-ma ch'ien. is it true or false?

true Three Lao Tzus The main source of information on Lao Tzu's life is a biography written by the historian Ssu-ma Ch'ien (145–86 B.C.E. ) in his Records of the Historian. By this time a number of traditions or beliefs about the founder of Chinese Lao Tzu. Taoism were going around, and Ssu-ma Ch'ien himself was unsure of their authenticity.

the correct answer is true:)

#2 the answer is d

#3 the answer is a

#4 the answer is b

answer; ///(1) blank; henry clay; (2) blank; secretary of state; (c)is your answer; ///good luck