He received the letter challenging him to a duel and began preparing for the duel.

Gender roles are an important element in defining individual behavior in society.

His role is to fulfill his responsibilities as a leader.

It is important to understand the importance of health.

He is working as an official of the city.

He is a famous historian and has written many history books.

He is majoring in history at university.

He is trying to hide his embarrassing past.

He recognizes the importance of oral history.

He interprets world events from a historicism perspective.