Answer:
Theories and Practice. Scientific Racism. These ideas about race were pided into two main theories, scientific racism and social Darwinism.
From 1933 to 1945, Nazi Germany carried out a campaign to “cleanse” German society of individuals viewed as biological threats to the nation's “health.Learn about and revise what life was like in Nazi Germany between 1933 and 1939 with this BBC Bitesize History (Edexcel) study guide.