He is known as an expert in criminology.

He is a renowned criminologist who has contributed to many crime analyses.

He is known as an expert in criminal investigation.

He is majoring in criminology at university.

He was arrested for committing a criminal act.

The Sikh Wars were a series of wars fought between the United Kingdom and the Sikh Kingdom.

During the era of the Cold War, the world was divided into two major powers.

During the era of the Cold War, the world was divided into two major powers.

The Civil War is one of the bloodiest wars in American history.

He has a warlike personality, always playing strategy games.