로마제국

로마제국

Roman Empire.

Here, '로마제국' is used as the subject to refer to the Roman Empire as a historical entity.

로마제국은 고대의 가장 강력한 제국 중 하나였다.

The Roman Empire was one of the most powerful empires of the ancient world.

In this sentence, '로마제국의' acts possessively to indicate 'of the Roman Empire,' signifying belonging or association.

나는 로마제국의 문화를 연구하는 것이 재미있다고 생각한다.

I find studying the culture of the Roman Empire to be interesting.

Here '로마제국이' functions as the subject with a marker to discuss the actions or states associated with the Roman Empire.

로마제국이 멸망한 후, 많은 변혁이 발생했다.

After the fall of the Roman Empire, many transformations occurred.