Which of the following is true of the industrial workers of the world (i. w.
a. it was founded in russia
b. it was devoted to organizing highly skilled immigrant workers
c. it made business leaders create new methods to deal with labor issues
d. it had very little influence over labor movement

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.