Remember that every one of the USA-bashing Confederates were Democrats!
The Party of Treason from its beginning to the present day.
Defender of Slavery, Founder of the KKK, voted against ending slavery by the 13th amendment, voted against making the freedmen true citizens through the 14th amendment, roadblock against the Civil Rights Acts, preventer of anti-Lynching laws, staunch advocate of Jim Crow laws.
Why does this party still exist when the Nazi Party is history?
One of the goals of Lincoln's Reconstruction policy was to create a viable Republican Party in the South from the former Whigs (at a time when it wasn't clear that voting rights would be given to the freedmen--most Northern states did not let black men vote at that time).