It refers to the system by which people were physically labeled in concentration camps during the Holocaust.
Answer:
that's cheating
Explanation:
That's cheating there asking you to write this to see what you know not others. Your also breaking the brainly honor code this said you can use this website for help on essays. "On Brainly, we have zero tolerance for academic dishonesty. This includes any use or attempt to use our platform to copy answers for homework, tests, assessments, essays, or other school work".