Ghettos, concentration camps and extermination camps.
Because the nazis were racists and discriminated the jews.
The ghettos.
The Nazis did not plan to murder all prisoners in camps built before the Holocaust
Yes, a wide variety of classifications were established by the Nazis to try to determine the "perfect aryan".
The biggest ghetto established by the Nazis in World War 2 was the Warsaw Ghetto, which at one time had about 400,000 inhabitants.
that would require an essay, but yes they established ghettos, when there were too many ghettos and too many people the Nazis started liquidating them.
The Nazis used both established tortures for that time and also created new ones. They experimented with medical torture, for example, which was very new then. The Nazis were probably were the first group to use sexual torture as routine standard practice.
The Nazis did not plan to murder all prisoners in camps built before the Holocaust
Extermination camps were established so that the Nazis could easily get ride of those that didn't fit their standards. (A.K.A., non Germans)
They didn't like them; many tried to leave Germany, but those who stayed generally obeyed.
The Italian Fascists and the German Nazis gained power by recruiting the youth and intimidation through the use of force. Once established as a power, quickly controlling other areas led to the increased power levels.
They were called Nazis.