I am majoring in embryology at university.

He helped me with the correction of my report.

He corrected my mistake.

Imperialism is one form of a nation, referring to a system where one monarch rules.

His rule turned into tyranny.

Who is the producer of this movie?

I deeply regret my past actions.

He was living as a student during the Meiji era.

His claim was recognized as legitimate.

His policy has legitimacy.