Because people involved in collective behavior do so anonymously and are swept up by the power of suggestion, they cannot legally be held responsible for their behavior.

a. true.
b. false

It is false that because people involved in collective behavior do so anonymously and are swept up by the power of suggestion, they cannot legally be held responsible for their behavior.

Explanation:

Collective behavior is the behavior exhibited by particular group of people who tend to remain together for short lived social interactions. Any person can join in this as a member. During any religious revival meeting or showing their hatred towards norms that are contradictory, people join together collectively.

The social movements emerge due to some reasons then they face either success or failure and then after sometime they decline. Sometimes this collective behavior is swept by the power of suggestion involved in vandalism and riots which is a form of civil disorder.  

c. reserves power to the states and people