He was surprised to hear the sound of the cannon.

The history of the Empire of Korea is very interesting.

Former Imperial Universities are some of the most traditional universities in Japan.

The era of the Five Good Emperors is considered the golden age of the Roman Empire.

Imperialism is a political ideology where some countries dominate others.

He is good at solving technical problems.

He always has an optimistic attitude.

His music is very avant-garde, and some people might not understand it.

He is facing economic problems.

This word is etymologically derived from Latin.