Because the war was not directly about slavery.
The Emancipation was not a crusade but a war-measure, urgently needed to keep the British from sending military aid to the Confederates, as it would make them look pro-slavery.
It was also a step towards total war - he told the troops to burn the farms and free the slaves as they were enemy property.
Abraham Lincoln.
To Free the Slaves
It is quite possible that had Lincoln made a point of the emancipation of slaves at the outset that he would not have received the backing that he needed to win the war, the war was not fought over slavery the end of slavery was merely one of the results of the type of democracy most Lincolns follower wanted.
No.
it was signed by A. Lincoln and freed the slaves.
The Emancipation Proclamation
When Lincoln was president, the Emancipation Proclamation was to free all of the slaves in the Confederacy. :)
He passed the emancipation proclamation.
The Emancipation Proclamation was Lincoln's wartime act that freed slaves.
Abraham Lincoln
he signed the emancipation proclimition
Abraham Lincoln's Emancipation Proclamation was a document which symbolically freed slaves in the United States.