A. how long was the silk road? b. what was the silk road made of?
c. when did people start using the silk road?

A) 4,000 miles

B) made out of ancient trade route( i think)

C) 130 B.C.

Explanation:

i would go with the last one

no options provided, here,but the answer to this question is often: a historian cites a japanese newspaper article published a year after the end of world war ii in order to draw conclusions about the effect of the war on the japanese economy.

clearly from the answer, the historian alludes to historical sources,and records to aid in analyzing and drawing conclusion on the effect of the war on the economy of japan.