Review the turning point from the civil war. lincoln issues the emancipation proclamation which option most accurately analyzes the causation behind this turning point?

ANSWER:

Lincoln issue the Emancipation Proclamation, the most accurate option to analyze the causation behind the turning point can be taken for Union success at the Battle, titled as Battle of Antietam.

EXPLANATION:

This battle was known to be the source for Lincoln to issue a preliminary draft of the declaration. On 1st January 1863, the President Abraham Lincoln issued the Emancipation Proclamation where it was declared as, “every people who are salved in the rebellious state will be free.”

  the domino theory states that  if one country in a region came under the influence of communism, then the surrounding countries would follow in a  domino  effect.