Final answer:
The best action for the nurse to take is to c. advocate for policy change.
Step-by-step explanation:
The best action for the community health nurse to take to advocate for clients in the rural community who are unable to afford health insurance is option C) Advocate for policy change. By advocating for policy change, the nurse can work towards ensuring that affordable health insurance options are available to these clients. This can include advocating for the expansion of government health care programs or the establishment of subsidies for low-income individuals.
Advocating for policy change can have a long-term impact on improving access to health care for the clients in the rural community. It addresses the root cause of the issue by seeking systemic changes that benefit a larger population.