In behavioral sciences, the use of metatools plays a crucial role.

He is writing a thesis on dialectical materialism.

It is important to distance yourself from antisocial forces.

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.

The Socialist Republic of Vietnam is located in Southeast Asia.

He deeply believes in the principles of national socialism.

The Democratic People's Republic of Korea is a country located in East Asia.

The Soviet Socialist Republics Union was a country that once existed.

The Czechoslovak Socialist Republic was once an existing country.

The People's Socialist Republic of Albania was once an existing country.