The <span>Emancipation Proclamation ended slavery and set all slaves free.
It was signed on September 22nd, which was soon after the Union's victory against the Confederates in the Battle of </span><span>Antietam.
It was this victory that prompted President Lincoln to pass the </span>Emancipation Proclamation.
So the answer is A. S<span>eeing the Union’s effectiveness at the Battle of Antietam.</span>
B is correct.
please vote my answer brainliest. thanks!
One main reason why John C Breckenridge supported the purchase of the Louisiana territory was because he thought it would held end the issue of slavery, by leaving it up to "popular sovereignty" in the new territory.
