Is defined as a deliberate plan of action designed to guide government decisions.
a. sovereignty
b. constitutional
c. public policy
d. legislative power

The correct answer is: public policy.

Public policy is a guide for actions, or plan that specifies actions, measures and laws that are to be taken with respect to a specific issue.

An example is a drug policy: the strategy to combat the use of addictive drugs. This policy includes for example the punishment for being found in possession of drugs

The constant presence of diseases or infectious agents within a given geographic area or population group. it may also refer to the usual prevalence of a given disease with such area or group. it includes holoendemic and hyperendemic diseases. a holoendemic disease is one for which a high prevalent level of infection begins early in life and affects most of the child population, leading to a state of equilibrium such that the adult population shows evidence of the disease much less commonly than do children (malaria in many communities is a holoendemic disease). a hyperendemic disease is one that is constantly present at a high incidence and/or prevalence rate and affects all groups equally. so probably family history.