What are the principles of community development studies?

"there will be differences in degree of mood elevation seen in depressed clients after receiving either cognitive-behavioral or psychoanalytic therapy."; in this hypothesis, mood elevation is the:

Neighborhood and community characteristics: the social ecology approach emphasizes the view that certain social and physical characteristics of neighborhoods and communities influence the likelihood of committing deviance and crime.imagine that you are in a position as a community leader. there are several neighborhoods in your community with: high poverty rates low quality housing single parent households which issue would you address first, and what strategies would you propose to address this issue?

Can someone me answer all the questions?