China has increased the amount of agricultural land by building along many of the hillsides.
A.

canals
B.

villages
C.

terraces
D.

windmills

C

Explanation:

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.

if it were me, i would pick c. c is the best answer because it's basically saying go on a non-violent strike for india