By 1840, how much cotton did the United States produce per year because of changes in technology? about 3,000 bales about 300,000 bales about 1. 3 million bales about 1. 3 billion bales.

hutus would be your answer.

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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.