They did create an instrument that could be modified without destroying the nation. And they amended it with the beginning ideas of rights for the people. They were stuck in their times and didn't include everyone.
I still can't believe that the Equal Rights Amendment from years ago failed.
What if Eleanor Roosevelt had wings? -- Monty Python
One important characteristic of a theory is that is has survived repeated attempts to falsify it. Contrary to your understanding, all available evidence confirms it. --Subbie
If evolution is shown to be false, it will be at the hands of things that are true, not made up. --percy