Which of the following is not one of the ways in which general strain theory expands up on traditional strain theory?

(a) General strain theory widens the focus to include all types of negative relations between an individual and others.
(b) General strain theory incorporates social control theory by focusing on the development of social bonds.
(c) Gener al strain theory maintains that strain may have a cumulative effect on delinquency after reaching a certain threshold.
(d) General strain theory provides a more comprehensive account of the various adaptations to strain.