Kunihide Kunitachi is my best friend.

I have been to the Republic of Vietnam.

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

He is deepening his research on Sinocentrism.

Maoism is an important element in forming Chinese communism.

Freedom of thought is one of the basic human rights.

He was imprisoned as a political prisoner for political reasons.

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.