With each generation, the number of mixed-race slaves increased: the 1850 census classified 245,000 slaves as mulatto; by 1860 there were 411,000 slaves classified as mulatto out of a total slave population of 3,900,000.
race slaves increased. This was with each generation. Each generation was the number of mixed. The 1850 census classified 245,000 slaves as mulatto. There were 411,000 slaves classified as mulatto out of a total slave population of 3,900,000. This was by 1860.