Although mr. shang has been fired by three different employers for stealing money, he feels no remorse for his behavior. mr. shang's behavior is evidence of personality disorder.

Mr. Shang's behavior is evidence of "antisocial" personality disorder.

Antisocial personality disorder is characterized by an inescapable and steady carelessness for ethics, social standards, and the rights and sentiments of others. Those with Antisocial personality disorder are frequently incautious and neglectful, neglecting to consider or dismissing the results of their activities. 

Ithink b is the right answer

The answer would be political systems .