Evolution did not give us the beauty of western thought and government...that should be rightly attributed to the Protestant Reformation.
The Reformation was PART of it but not all of it.
Ever hear of Magna Carta? English Common Law?
Constitutions of Clarendon? Provisions of Oxford?
Go back even further. The Ten Commandments? The Decemvirs? Thermopylae? Athenian Democracy??
How about even FURTHER. The unification of Upper and Lower Egypt and the concept of a nation-state?
The Muslims missed ALL of this. And ALL of it contributed to our concept of western governance.
And our Founding Fathers were aware of ALL of this.