Final answer:
Abraham Lincoln opposed the expansion of slavery and considered it a moral evil. He issued the Emancipation Proclamation to free slaves in Confederate-held territories.
Step-by-step explanation:
Abraham Lincoln ran for President in the Election of 1860. Politically, he opposed the expansion of slavery into the territories.
Morally, Lincoln believed that slavery was wrong. He considered it a moral evil and believed that it should ultimately be abolished.
Although Lincoln initially had no plans to end slavery in the existing slave states, his views evolved throughout the Civil War, and he ultimately issued the Emancipation Proclamation in 1863, declaring slaves in Confederate-held territories to be free.
Learn more about Abraham Lincoln's view on slavery