Answer: (E) Public policy
Explanation:
The public policy is the term which is used to define the various types of law systems and evaluating the regulatory measures taken by the government and any representative.
The importance pf the public policy is that it helps in solving the various types of issues or problems more effectively and the policies are developed for typically resolve the issue of the public.
According to the given question, Liz is basically choosing the public policy for avoiding all the wrongful discharge in an organization. Therefore, Option (E) is correct answer.