Questions: Public policy can be defined as the broad strategy government uses to do its job; the relatively stable set of purposive governmental behaviors that address matters of concern to some part of society.

The answer is: can be defined as the broad strategy government uses to do its job; the relatively stable set of purposive governmental behaviors that address matters of concern to some part of society.

Explanation for each option:

1. is limited to policies that only affect major corporations.
   This is incorrect. Public policy encompasses a wide range of issues and is not limited to those affecting major corporations. It includes policies that impact various sectors of society, including health, education, environment, and more.

2. can be defined as all policies that affect housing.
   This is incorrect. While housing policies are a part of public policy, public policy is much broader and includes various other areas such as healthcare, education, transportation, and more.

3. can be defined as the broad strategy government uses to do its job; the relatively stable set of purposive governmental behaviors that address matters of concern to some part of society.
   This is correct. Public policy is indeed a broad strategy that governments use to address societal issues. It involves a stable set of actions and decisions that aim to solve problems and improve the quality of life for citizens.

4. only affects matters concerning law enforcement.
   This is incorrect. While law enforcement is a component of public policy, the scope of public policy is much wider and includes various other areas such as economic policy, social welfare, and public health.

5. is related strictly to policies that benefit senior citizens.
   This is incorrect. Public policy is not restricted to benefiting senior citizens. It is designed to address the needs and concerns of all segments of the population, including children, working adults, and marginalized groups.