This amendment significantly increased the power of american voters by a) allowing citizens to vote every six years. b) allowing citizens to directly elect their senators. c) preventing poll taxes from being levied against black voters. d) granting women the right to vote in federal and state elections..

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.