The US population in 1860 was about 30 million, of which 3.5 million were slaves. There were another half million free blacks.
Colonial slavery had a slow start, particularly in the North. The proportion there never got much above 5 percent of the total population. Scholars have speculated as to why, without coming to a...
Slavery is now illegal in the US. Therefore there should be no slaves in the US today.
Too many!
How many households in the U.S. have children