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The answer is C: It was a Union Victory that allowed Lincoln to issue the Emancipation proclamation

Explanation:

The Battle of Antietam ended by a Union victory. It was considered the bloodiest battle fought on September 17, 1862, between the Union and the Confederacy during the Civil War. The Battle of Antietam was a crucial victory for the Union Army because was the first major battle in the American Civil War to take place on their soil. The battle Kept British interference out of the U.S. and kept them uninvolved with the war. It was a turning point for President Abraham Lincoln as it provided him the opportunity to announce the Emancipation Proclamation.

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.