He is good at elementary arithmetic, and can solve calculation problems quickly.

The Cultural Revolution is a part of China's history.

The British Antarctic Territory occupies a part of the Antarctic continent.

The British Indian Ocean Territory is a region managed by the UK.

The history of the Empire of Japan is very interesting.

He said he couldn't agree with the views of the revisionists.

It is important for us to respect cultural diversity and understand each other's differences.

Colonialism continued for a long time until many countries achieved independence.

This nutrient agar contains nutrients that help bacteria grow.

My hometown is a prefecture-level city.