The book was flatly contradictory to the Boas-Jewish racial propaganda and sounded a clear warning of the impending danger of serious racial degeneration in the United States.

To justify an aggressive campaign against blacks and immigrants, the eugenics movement used the concept of racial degeneration.

They could be used to illustrate the structure and distinctive features of insect anatomy, insect domestication, retrogressive mutations, and the essential measures which are taken by breeders to monitor productivity and selection, including extermination to preempt racial degeneration.

Rosenberg argued for a new "religion of the blood," based on the supposed innate promptings of the Nordic soul to defend its noble character against racial and cultural degeneration.

While the woman suffrage movement was important for extending the political rights of White women, it was also authorized through race-based arguments that linked White women's enfranchisement to the need to protect the nation from "racial degeneration."

Possibly disease or racial degeneration may have been responsible.

The alarm bells that were ringing around popular amusements and freedoms as the new century arrived moved in concert with a much darker current of anxiety about national decline and incohesion, involving some quite spectacular fantasies of racial degeneration.

However, in this tract, she argues that the leading causes of "racial degeneration" are "overcrowding" and sexually transmitted disease.

In particular the theme of racial degeneration is a prominent aspect in the novel.

Propaganda aimed at women as bulwarks against racial degeneration lay heavy emphasis on their role in protecting racial purity without indulging in the antisemitism of Mein Kampf or Der Stürmer.