Answer:
1.Racial Supremacy: The Nazis propagated a racist ideology that claimed the Aryan race was superior to all others. They believed in the concept of racial purity and viewed Jews as a threat to the Aryan race's supposed superiority.
2.Heine's quote serves as a warning against the dangers of suppressing intellectual freedom and the consequences that can follow. It implies that the devaluation of ideas and the silencing of voices eventually lead to the dehumanization and persecution of people who hold those ideas or belong to certain groups