Question

Members of some hate groups cover their faces and sometimes their entire bodies while they mistreat their targeted group. This can also happen if the hate group is extremely large or a "mob mentality" forms. In these situations, people find it easier to participate in crimes they would not normally commit due to
A) lowballing.
B) equal status contact.
C) deindividuation.
D) the self-fulfilling prophecy.

Answer 1

This would be a deindividuation -answer C).

This word means the loss of ("de"-) individuality in a group - it means that if a group works together, people no longer feel like individuals, but rather they feel as a part of this group - so they don't feel responsible for their actions.