Answer: blackface

AnswerCrossword Clue
BLACKFACEGuise of American minstrels.
blackfaceUsed to imply patronization of blacks by whites or by institutions perceived to be insincerely or ineffectively nonracist
blackfaceThe makeup used by a nonblack performer playing a black role. The role played is typically comedic or musical and usually is considered offensive
blackfacea breed of sheep