Why did Thucydides write his history on the peloponnesian wars?

Thucydides's WROTE THE TEXT BECAUSE HE WANTED PEOPLE TO EXPERIENCE AND KNOW WHAT THE WAR WAS ABOUT THE AUDIENCE THAT WOULD BUT IT WOULD BE PEOPLE WHO WERE INTERESTED ABOUT THAT PARTICULAR WAR OR JUST WANT TO KNOW HOW THUCYDIDES DESCRIBED THE WAR AND HOW HE DESCRIBED IT