The answer to this question is <span> anomie; collective conscience.
According to emile durkheim, an action could only be considered as crime if the majority of people in a society agree that the action is unacceptable.
So, the cause of it usually either because the situation forced the perpetrator to do it, or because the perpetrator felt that he/she does not belong to the society, so he/she wouldn't be bound by the rules</span>
It was the beginning of the Revolutionary War of the U.S. (First revolutionary battle of Lexington and Concord.)
Hope this helps! :D