Fascinating: Slavery Map showing a divided United State on the brink of war

From the Daily Mail a fascinating map showing the distribution of slaves just before the US Civil War, based on the 1860 Census.

The United States Coast Survey’s map of the slave-holding states, which illustrates the varying concentrations of slaves across the South, was regularly consulted by Abraham Lincoln.
On New Year's Day 150 years ago, South Carolina had already declared its independence from the United States and the year 1861 would see ten more states secede from the Union, the inauguration of Abraham Lincoln, the formation of the Confederate States of America and the start of the war.

Read more: http://www.dailymail.co.uk/news/article-1343751/Fascinating-look-map-drawn-150-years-ago-Civil-War-anniversary-nears.html#ixzz1QtFKPxdN