Oligarchy is a political system where a few powerful people rule the country.

This country is ruled by oligarchs.

He is deeply involved in politics.

He is the true ruler of this country.

He is a famous author and a person who is respected by many people.

Power often changes people.

This new system enables efficient business operations.

In this country, they form a minority.

He is ruling the country.

He is ruling this country.