The programme, which aired on BBC Two on Saturday (1 August), covered the US confederacy and the history of slavery.
Lucy Worsley has apologised after citing the n-word in her BBC show American History’s Biggest Fibs.
After the clip aired, the BBC received a number of complaints and later pulled the report from its catch-up service.
A BBC spokesperson previously told The Independent: “This is a history programme about the American Civil War and features contributions from a number of African American scholars.