States in which political power is exercised by and for the privileged few.
capital
dictatorship
junta
political party
proportional representation
interest group
power-elite model

power-elite model

Explanation:

The power elite model is extremely similar to the oligarchy system. But the 'select few' that have the power in society does not have to necessarily a Nobel.

For example, units States is a power elite model even though we don't have a group that we consider as 'nobles here'. But when you clearly examine its power structure, you will realize that the control over the country falls to a small group of people such as military leaders, corporate owners, high ranking government officials and their family, etc

answer; mental health prevention programs;

answer; necessity-driven;