The things that will destroy America are prosperity-at-any-price peace-at-any-price safety-first instead of duty-first the love of soft living and the get-rich-quick theory of life.
Leave it as it is. The ages have been at work on it and man can only mar it.
The highest use of capital is not to make more money but to make money do...
So what's it like in the real world? Well the food is better but beyond that I don't recommend it.