Short answers, pulled from the story.
The word Nazi began as a derogatory nickname for a backward farmer or peasant in Bavaria. It was derived from the German male name Ignaz and shortened from the party acronym NSDAP by opponents in the 1920s to associate the group with a clumsy image.
The first time members used the term appeared in 1926 within a publication by Joseph Goebbels titled The Nazi-Sozi. Even then they used the compound form rather than the single word alone, and the regime itself avoided using the label while in control after seizing power in 1933.
Scholars classify Nazism as far-right politics based on its emphasis on domination by superior people over inferior elements. Adolf Hitler claimed the movement combined useful elements from both political camps into a new whole called syncretic while business leaders supported the Nazis after 1929 because they promised to eliminate organized labor and leftist parties.
Johann Gottlieb Fichte delivered speeches to the German Nation in 1808 calling for national revolution while Wilhelm Heinrich Riehl wrote Land and People between 1857 and 1863 to tie the Volk to its native landscape. Georg Ritter von Schönerer advocated radical German nationalism and antisemitism in Austria and Arthur Moeller van den Bruck proposed a new state he called the Third Reich to unite all classes under authoritarian rule.
The Nazis implemented the Law for the Prevention of Hereditarily Diseased Offspring in 1933 to mandate compulsory sterilization and an estimated 360,000 people were sterilized between 1933 and 1939 due to conditions like schizophrenia or epilepsy. Hans F. K. Günther published Rassenkunde des deutschen Volkes in 1922 to divide European peoples into five distinct races and claimed Jews belonged to a mixed race primarily of Near Eastern and Oriental types.
Millions including two-thirds of Europe's Jewish population were exterminated during World War II in an event known as the Holocaust. The Generalplan Ost envisaged the deportation and enslavement of Poles Czechs Ukrainians Belarusians and Russians to acquire living space in Eastern Europe especially Russia.