racial extermination การใช้

Darwin clearly believed that the struggle for existence among humans would result in racial extermination.
Archival evidence as to the reaction to policies of racial extermination can also be traced in various letters that survived the war.
Orson Scott Card advances the word " Xenocide " in a similar context ( racial extermination of non-humans ).
Weikart claims that Darwinism's impact on ethics and morality played a key role not only in the rise of eugenics, but also in euthanasia, infanticide, abortion, and racial extermination, all ultimately embraced by the Nazis.
The Nazi Concentration Camps had been established in 1933, as political prisons, but it was not until the invasion of Russia that the death camps opened, and techniques learned in the aborted euthanasia program were transported to the East for the racial exterminations.