Answer:
concept of development is a set of activities that are carried out early in the system engineering life cycle to collect and prioritize operational needs and challenges , develop alternative concept to meet the needs, select preferred one as the basis for subsequent system or capability development.
Explanation: Social perspectives assume that different individuals who are in the same circumstances will have similar levels of mental health and illness. That is, what determines how good or bad people feel does not just depend on their own personalities or brains but also on the sorts of social conditions they face.
hope that helps :)
