whitewashing

noun3

1. •
   The application of whitewash.
2. •
   (figurative) The effacement of errors or bad actions.
3. •
   The process of whitewashing, of making over (a person or character, a group, an event, etc) so that it is or seems more white (Caucasian), for example by applying makeup to a person, or by covering over the participation of non-whites in an event and focusing on only white participation.

   • While whitewashing remains a modern problem, it has a long history in American film: In the very first Hollywood movie, 1910’s In Old California, white actors played non-white roles. — 2016