In what two ways did emancipation of the slaves harm the confederate war effort?

Its A and C. Hope this helps

entering that problem on the tube you may come up with an 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.