Mr. Smith is a middle school teacher who teaches eighth-grade history. His class consists of 13- and 14-year-olds. The majority of his class happens to be boys. Mr. Smith is noticing changes in behavior is some of his students. Mr. Smith is very concerned for his troubled students. He wants to build positive, life-sustaining relationships with his students. This attempt at building positive relationships is an example of

life course theory

Explanation:

This attempt at building positive relationships is an example of the life course theory. This is an approach that focuses on understanding the different mental, physical and social health of individuals in order to build deeper relationships around these factors. This is what Mr. Smith is wanting to do by building positive, life-sustaining relationships and not just making sure that they are alive, so he focuses on what is bothering them mentally as well.

b because thats the naswer i got