This is a genetic map of the British Isles, based on work by Professor Jim Wilson from the University of Edinburgh's Usher Institute and MRC Human Genetics Unit. Disclaimer: AAAS and EurekAlert!
By the 18th century, 45,000 Africans are transported annually on British ships. 1700s: Almost half of the slaves coming to North America arrive in Charleston. Many stay in South Carolina to work ...