Respuesta :
He changed the cause of the war to a moral issue. Before the civil war was fought mainly for states rights but when the Emancipation Proclamation was issued freeing slaves the war became a moral issue therefore prohibiting Britain from supporting the Confederacy because they recently freed their own slaves and did not support slavery.
Answer:
What was the immediate effect of president Lincoln issuing the emancipation proclamation
Explanation:
The Proclamation of Emancipation had immediate effect in all States, beginning with the release of 50,000 men, and the consequent acceptance of black men in the Army and Navy of the Union.