Governments are subject to the whims of the people as the modern US continues to show. It doesn't matter what fancy rules you have written in a dusty drawer, when people want something to happen, it happens. Though as an aggregate of what everyone involved wanted to happen. Our society follows those rules today largely because we were taught and learned to believe in them. As those rules fail, people will learn and believe in other things.
Governments are subject to the whims of the people as the modern US continues to show. It doesn't matter what fancy rules you have written in a dusty drawer, when people want something to happen, it happens. Though as an aggregate of what everyone involved wanted to happen. Our society follows those rules today largely because we were taught and learned to believe in them. As those rules fail, people will learn and believe in other things.