Absolute monarchy refers to a political system where all the power of a nation is concentrated in one monarch.

When my stomach hurts, I always take an antacid.

The United Kingdom is a constitutional monarchy.

Her family adopts a matriarchy.

Proportional representation is an important system to ensure the fairness of elections.

My company has introduced a layoff system.

He is doing special exercises to strengthen his depressor muscle.

Primitive communism is one of the initial forms of human social organization.

The system of provinces was a part of the ancient political system in Japan.

Traveling by direct circular route is the best way to save time.