His actions have always been guided by the rules of war.

We call upon you to surrender according to the rules of war.

How would it be proved that something against the rules of war had occurred?

We're shocked that the enemy forces don't observe the rules of war.

Then in the morning we will teach him about the rules of war.

Who, by the commonest rules of war, will march in the front?

For this simple reason, the rules of war do not apply to you.

They'll be dealt with according to the rules of war.

These can be rules of war, labor laws, taxes, and other regulations.

The people claimed that he had gone far beyond the rules of war.