Whether you knowledge it or not, you are the beneficiary of a form of government that could never have come into being left to atheist philosophy.
Wow, I disagree. IMO, one of the greatest things about the United States of America is the founding based on the freedom of religion.
You would do well to acknowledge one simple over riding concept in all of this, one that should help direct you to the most profound conclusion, that wonderful freedom was articulated and put into the founding documents by Christians. Need I say more?