In his Nobel Peace Prize acceptance speech what technique does Elie Wiesel use to support his argument that people need to help save others from oppression?

Elie Wiesel uses personal anecdotes, emotional appeals, and references to historical events to support his argument that people need to help save others from oppression in his Nobel Peace Prize acceptance speech. By sharing his own experiences during the Holocaust and calling on the audience's sense of empathy and humanity, Wiesel effectively emphasizes the importance of taking action against injustice and standing up for the oppressed.