At the time it was completed, the erie canal was a. already obsolete. b. beginning to fill with silt from the great lakes. c. the greatest construction project americans had ever undertaken. d. cited as an example of how not to construct a canal. e. already paid for.

C) the greatest construction project Americans had ever undertaken

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.