Final answer:
The Nazis forced Jews to wear yellow stars during the Holocaust as a form of discrimination and dehumanization.
Step-by-step explanation:
The stage of genocide reflected in the Nazi action of forcing Jews to wear yellow stars on their clothes during the Holocaust is discrimination and dehumanization. This action was intended to separate and stigmatize the Jewish population, differentiating them from others and creating a sense of inferiority and vulnerability.
Learn more about The Holocaust and Nazi persecution of Jews