If this is wrong im in big trouble. double check

its a

explanation:

in-order for the person or thing selling the currency and buying it such as usual exchange stations on the street or banks to make profit.

d) iowa i believe is the answer

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.