Above: Electoral maps depicting Union member states as of 1860
Above-Left: Red indicates states that went to Abraham Lincoln (R) in 1860
Above-Right: Blue indicates states that went to Barack Obama (D) in 2008
It is worth noting that in 2008 VA, NC and FL were very close races and that the two maps could very easily have been identical.
Above: Grey indicates states to secede from the Union from 1860 to 1861 (WV seceded from the confederacy in 1863)
---
Above: Electoral pattern of the former confederacy from 1880 to 2008. Blue indicates Democratic identity, red indicates GOP identity, and green denotes a third party.