Answer:
Water
Explanation:
With no one managing the cities vast and complicated tap water and sewer networks there would be flooding
The first thing that came to my mind when i read that phrase was that whatever this "script" is, it must be a pretty awesome piece of work.
The expression, a chip off the old block means that people who resemble their parents in some way. For example, you could say <span>“Mark just won the same sailboat race his father won twenty years ago; he's a </span>chip off the old block<span>.”</span>