Which form of government serves the interests of royal family members?

Monarchy is the form of government that serves the interests of royal family members.

Monarchy is the oldest form of government in which, a king or queen is Head of State. As Head of State, the Monarch undertakes constitutional and representational duties. The monarch is an individual ruler who functions as the head of state and who achieves his or her position through heredity.

answer; i believe the correct answer is prefrontal cortex;