If you view states as unitary actors, you assume competing national interest groups have to work to create a unitary national interest.
Answer: Option A
Explanation:
The unitary entertainer presumption treats states as a solitary element that attempts to boost national interest, extensively characterized. Hence, can find the political separation between the leaders and the citizens.
(Along these lines, "national interest" could mean the states are exceptionally big-hearten). While such cleavages surely exist, they will exist at the same time with the issues and so many problems .