Explain why Lincoln issued the Emancipation Proclamation, tell what it did and what it did not do, and assess its importance on the Civil War, including how it changed Lincoln's war aim.

A) Lincoln issued the Emancipation Proclamation to free all enslaved people in the Confederacy, instantly ending slavery in the South.
B) The Emancipation Proclamation had no real impact on the Civil War, as it was largely symbolic and did not lead to the immediate liberation of enslaved individuals.
C) Lincoln issued the Emancipation Proclamation to target specific areas in the Confederacy and gradually eliminate slavery.
D) The Emancipation Proclamation was issued to boost Union morale and attract international support, but it did not fundamentally alter the war's goals or aims.