Nazis believed in superiority of the Aryan race. Through their 12 years in power Nazis wanted to use eugenics to improve Aryan race through euthanasia and sterilization program. persecuted members of other races and minority groups Roma, Homosexuals, and mentally ill people. persecuted any group that they felt challenged Nazi ideas.

300000 men and women forcefully sterilized between 1934 and 1945. Euthanasia program of disabled and mentally ill people even if they were of Aryan race began in 1939. at least 5000 disabled babies and children killed between 1939 and 1945 by either injection or starvation. Between 1939 and 1941 72000 mentally ill patients gassed before public outcry in Germany ended extermination.

there was little protest of Roma. Roma living in Germany in 1939 killed by Nazis Little to no complaint about treatment of homosexuals, and so called asocial alcoholics, prostitutes, homeless. Habitual criminals, beggars rounded up off streets and taken to concentration camps.