He was working as a military surgeon.

He always proactively suggests new ideas.

Revisionism aims to change our understanding of past events.

The Eighth Route Army played an active role in China's war against Japan.

The Imperial Japanese Navy and Army were a powerful military force in Japan.

He led the army as a cavalry general.

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

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.