Once they reached Washington, however, the men drugged, chained, robbed, and sold him to a slave trader.

然而，他们一到华盛顿，这些人就下药，用铁链锁住，抢劫，然后把他卖给一个奴隶贩子。

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T-shirt, Mr Gates is as much a character in the television films as the characters he discusses: King Solomon or Don Francisco de Souza, Ivory Coast's most notorious slave trader.

ECONOMIST: Mary Poppins is a black man

Steve Turner's book Amazing Grace: The Story of America's Most Beloved Song tells the story of composer John Newton's conversion from slave trader to abolitionist, and traces the evolution of the song from its composition in 1772 as a hymn with no set tune to the version familiar today.

NPR: 'Amazing Grace'

However, he later discovered that this was the name of a Kanuri slave-trader who captured and sold his kinsmen.

BBC: Black Britons find their African roots