Addresses a wider range of questions about the behavior of clients, their families and communities, the actions of social work practitioners and agencies, and the connections among professions, organizations, and larger societal institutions.
a) evaluation
b) research
c) case studies
d) none of the above

B) Research.

Explanation:

Research is the systematic inquiry or investigation of knowledge of a particular topic or subject. There are different kinds of research like economic, social, humanities, business, etc used in different areas of study. Research projects do not always investigate new knowledge but they could be an extension of previous research. It is a creative approach taken by a researcher to gather information, documentation, analysis, and interpretation of the facts and information to explore new areas of knowledge.

answer; the sons of liberty;