When violent activities occur in a group, aggression can increase due to the lack of personal responsibility people may feel. thus, aggression in groups could partially be explained by

Diffusion of responsibility

Explanation:

Here, in this particular case we can state that aggression in this group could be further explained by Diffusion of responsibility. This is referred to as the socio-psychological rare occurrence whereby an individual is less acceptable to take the responsibility for the individual's deed or inaction when other individuals are active. This is most commonly known as the form of attribution.

where is the rest of the question. this isn't making sense. can you upload a picture of the question?

answer; presidential election years;