, Antietam was the bloodiest single-day battle in American history with over 23,000 casualties (men listed as killed, wounded, captured or missing) in roughly 12 hours. The battle ended the Confederate invasion of Maryland in 1862 and resulted in a Union victory.
The South feared that the if the North had more representatives, they would try to abolish slavery
The Ku Klux Klan often took drastic, and violent actions towards the blacks. Making it very hard for many of them to survive in a safe manner.