Richmond, Virginia, for example, became a huge slave-trading center by the 1840s and 1850s.

比如里士满和弗吉尼亚,在十九世纪四十年代和五十年代,它们成为了巨大的奴隶贸易中心

耶鲁公开课 - 美国内战与重建课程节选

Britain outlawed slave trading in 1807, and ownership of slaves was banned in 1833.

BBC: Richard Drax, MP for South Dorset

Archaeologists established that this was the site of the 19th century slave trading complex, the Cais do Valongo, or Valongo Quays.

CNN: From Samba to carnival: Brazil's thriving African culture

Crusoe is on a slave-trading mission when his trip goes awry, and he seems to be Friday's master, not his equal.

WSJ: Fiction as Authentic as Fact | Robinson Crusoe | Daniel Defoe | Masterpiece by Danny Heitman