They were called Copperheads.
Almost as soon as the war broke out the democratic party was divided. The south was all for slavery and the north opposed it.
You have to understand the war had VERY LITTLE to do with slavery.
The Copperheads was a secret pacifist organisation which opposed to the prosecution of the war, expressing tiredness towards the war and reluctance to subject the South by means of the force of arms. Their leader was the former Ohio's Democrat deputy, Clement Vallandigham, who, after many hamming and hawing was eventually expelled from the United States.
No he was an expansionist who favored the war.
Mr. Madison's War
A Copperhead, A Peace Democrat or Butternuts.
Northern abolitionists opposed the Mexican American War.
The Northern States of the U.S. at the time
Stephan Douglas was a northern democrat
copperheads
No, Democrat - even though a Southern Democrat is usually well to the Right of a Northern Republican.
Northern democrats who advocated peace in the south
He was a Northerner from New Hampshire.
copperheads
At the beginning, Little Napoleon. Later, some of them were calling him a Copperhead (anti-war Democrat)
Opposed slavery
radical republican