Nazi ideology was aimed at expelling all inferior considered races like jews and gypsies.
Hilter wanted to kill all jews by painful deadth.
He thought that only aryans are made to role and jews are inferior.
He put jews in concentration camps and killed them by deporting them in to gas chambers.
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The concept of nazi was the ideology of hitler
he discriminated on the basis of the caste
he felt that only the aryans had the right to live in germany and germany should be a place for aryans only
so to make the society of aryans he took away the jews and the other caste people to the concentrating chambers and killed them in the gas chambers