Final answer:
The Nazi action of the Jews wearing yellow stars during the Holocaust reflects the stage of genocide known as symbolization.
Step-by-step explanation:
The stage of genocide reflected in the Nazi action of forcing the Jews to wear yellow stars during the Holocaust is symbolization. Symbolization is the process of assigning symbols or names to a particular group based on their identity. In this case, the yellow star symbolized the Jews and was used to identify and isolate them from the rest of society.
Learn more about Holocaust and genocide