Answer:
Sapir-Whorf hypothesis
Step-by-step explanation:
According to the Sapir-Whorf hypothesis the perception of the world is dependent on the language the person speaks.
The Nazi's in Germany wanted to show their superiority stating that the people who spoke the German language made them intellectually superior. This notion however has been not accepted by modern linguists that say that the language which is spoken by a person only affects thoughts and decisions of a person.