He is ruling this country.

My nation is Japan.

Seiji is my best friend, he is always a fair and just person.

He told me the whole story of the incident.

Morphology is a part of linguistics that studies the structure of words.

This word has a variant form of a morpheme.

Morphology, which is a part of linguistics, studies the structure of words.

In geology, morphology is the field that studies the shape and structure of the terrain.

It is generally believed that the life of the middle class is stable.

He emphasized the importance of class struggle.