Slavery? By the 1860 United States Census, the slave population in the United States had grown to four million. http://en.wikipedia.org/wiki/Slavery_in_the_Un

Slavery? By the 1860 United States Census, the slave population in the United States had grown to four million. http://en.wikipedia.org/wiki/Slavery_in_the_United_States http://en.wikipedia.org/wiki/Slavery_in_the_United_States