Answer:
c) deindividuation.
Step-by-step explanation:
Deindividuation: In social psychology, the concept of deindividuation is defined as an individual's loss or mislaying of self-awareness in specific groups and this often leads to resistance.
Example: A person who is experiencing deindividuation is often involved in groups like gangs, cults, etc.
According to the psychologists, not all kind of deindividuation or people experiencing it is considered as a bad or unwanted thing.