Looking on the internet deeply has found these results:

Preclude a war is the most popular phrase on the web.

Disturb a war 124,500 results on the web	Preclude a war 155,700 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
You shouldn't disturb a person who might be praying. Why disturb a fate that's already ended? They said they didn't want to disturb a potential crime scene. Thoroughly managing the project, so as not to disturb a single tree or boulder. It is poor form to disturb a man at prayer. I never like to disturb a man when he's drinking. Although such instruments are important for consumers' rights, they can also disturb a certain legal order. Colton's trip to heaven disturbs a lot of people.	It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

Disturb a war

124,500 results on the web

Preclude a war

155,700 results on the web

More popular!

You shouldn't disturb a person who might be praying.
Why disturb a fate that's already ended?
They said they didn't want to disturb a potential crime scene.
Thoroughly managing the project, so as not to disturb a single tree or boulder.
It is poor form to disturb a man at prayer.
I never like to disturb a man when he's drinking.
Although such instruments are important for consumers' rights, they can also disturb a certain legal order.
Colton's trip to heaven disturbs a lot of people.

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.