US President Lincoln had nominated Edward Bates to be his Attorney General. As a member of the cabinet, Bates had examined Lincoln's draft proclamation and made his opinion clear. He favored Lincoln's plan only if it included compulsory colonization of Freed Blacks somewhere outside the US borders.
President Lincoln's preliminary Emancipation Proclamation in 1862 was a shock to General McClellan. He also was shocked when Lincoln soon after suspended habeas corpus. He was opposed to both of these actions by President Lincoln.
During Lincoln's first term his attorney general was Edward Bates and during his second term it was James Speed.
It was in late September that Union General George B. McClellan received the news of Lincoln's first Emancipation Proclamation along with the president's suspension of habea corpus. This was Lincoln's complete repudiation of McClellan's views of the war. McClellan had demanded earlier from Lincoln that slavery would be left alone. Lincoln wanted emancipation. McClellan also had demanded that there be strict limits on military actions against the rights and property of Confederate civilians. Lincoln disagreed.
George McClellan
Emancipation from slavery.
Lincoln. But they were freed by Union troops during their Southern campaigns, not by the Proclamation, which was mainly a tatcic to shame the British out of helping the cause of slavery.
Union Postmaster General Montgomery Blair opposed Lincoln's preliminary emancipation proclamation because he believed it might cause some border states to secede. He also believed that the announcement would help the Democrats in the November 1862 elections.
On January 1, 1863 President Abraham Lincoln issued the Emancipation Proclamation.
That he failed to pursue Lee after Antietam.
Abraham Lincoln.
Lincoln made the argument that the Emancipation Proclamation was a military necessity. Lincoln believed the proclamation would weaken the South.
When Lincoln was president, the Emancipation Proclamation was to free all of the slaves in the Confederacy. :)