Using a disguised name, Ben sends threat mails and bullies his school friends on various online forums. This is an example of deindividuation that is primarily based on .

physical anonymity

Explanation:

Deindividuation is simply the means by which individuals loses their sense of individual identity and are involved in unsocialised or anti-social behaviour. It is loss of personal identity and responsibility due to being in a crowd of people or being in an altered state.

Deindividuation is said toresults in a self awareness blockage and people lose their self‐control ability which may lead to aggressive behaviour.

physical anonymity usually aid inone more responsive to cues presented in a situation, whether negative or positive.

ever since wwii tmthey always did hated each other.