Original sentence: The make-up had roots in Minstrelry shows (where Jolson got his start, though it should be noted he was never considered a Minstrel performer) and is today viewed by many as racially insensitive
Edited sentence: However, the make-up had roots in Minstrelry shows (where Jolson got his start, though it should be noted he was never considered a Minstrel performer) and is today viewed by many as racially insensitive.Jolson was not a racist, and blackface as a theatrical convention was used by many performers (both white and black); some critics argue the make-up acted as a mask for Jolson, giving his performances a greater spontaneity