Sorry to ruin another grossly revisionist spin on American history, but let's look at some facts:
JOHN ADAMS:
“The general Principles, on which the Fathers Achieved Independence, were the only Principles in which that beautiful Assembly of young Gentlemen could Unite . . . . And what were these general Principles? I answer, the general Principles of Christianity. . . . Now I will avow, that I then believed, and now believe, that those general Principles of Christianity, are as eternal and immutable, as the Existence and Attributes of God, and that those Principles of Liberty, are as unalterable as human Nature and our terrestrial, mundane System.” (Letter to Thomas Jefferson, June 28, 1813)
“. . . we have no government armed with power capable of contending with human passions unbridled by morality and religion. Avarice, ambition, revenge, or gallantry, would break the strongest cords of our Constitution as a whale goes through a net. Our Constitution was made only for a moral and religious people. It is wholly inadequate to the government of any other. (“An Address to the Officers of the First Brigade of the Third Division of the Militia of Massachusetts,” October 11, 1798)
“I feel it to be my duty to add, if a veneration for the religion of a people who profess and call themselves Christians, and a fixed resolution to consider a decent respect for Christianity among the best recommendations for the public service, can enable me in any degree to comply with your wishes, it shall be my strenuous endeavor that this sagacious injunction of the two Houses shall not be without effect.” (First Inaugural Address, March 4, 1797)
GEORGE WASHINGTON:
“Of all the dispositions and habits which lead to political prosperity, religion and morality are indispensable supports. In vain would that man claim the tribute of patriotism, who should labor to subvert these great pillars of human happiness, these firmest props of the duties of men and citizens. The mere politician, equally with the pious man, ought to respect and to cherish them. A volume could not trace all their connections with private and public felicity. Let it simply be asked: Where is the security for property, for reputation, for life, if the sense of religious obligation desert the oaths which are the instruments of investigation in courts of justice? And let us with caution indulge the supposition that morality can be maintained without religion. Whatever may be conceded to the influence of refined education on minds of peculiar structure, reason and experience both forbid us to expect that national morality can prevail in exclusion of religious principle.” (Farewell Address, September 17, 1796)
“I now make it my earnest prayer that God would have you, and the State over which you preside, in his holy protection; that he would incline the hearts of the citizens to cultivate a spirit of subordination and obedience to government, to entertain a brotherly affection and love for one another, for their fellow-citizens of the United States at large, and particularly for brethren who have served in the field; and finally that he would most graciously be pleased to dispose us all to do justice, to love mercy, and to demean ourselves with that charity, humility, and pacific temper of mind, which were the characteristics of the Divine Author of our blessed religion, and without an humble imitation of whose example in these things, we can never hope to be a happy nation.” (Letter from George Washington to All Governors, June 14, 1783)
“. . . it would be peculiarly improper to omit in this first official act my fervent supplications to that Almighty Being who rules over the universe, who presides in the councils of nations, and whose providential aids can supply every human defect, that His benediction may consecrate to the liberties and happiness of the people of the United States a Government instituted by themselves for these essential purposes, and may enable every instrument employed in its administration to execute with success the functions allotted to his charge. In tendering this homage to the Great Author of every public and private good, I assure myself that it expresses your sentiments not less than my own, nor those of my fellow--citizens at large less than either. No people can be bound to acknowledge and adore the Invisible Hand which conducts the affairs of men more than those of the United States. Every step by which they have advanced to the character of an independent nation seems to have been distinguished by some token of providential agency.” (First Inaugural Address, April 30, 1789)
Similar quotes from the founding fathers and from other prominent Americans in the founding era would fill literally hundreds of pages.
When FDR,
in his D-Day invasion prayer--which he read to the nation over the radio on June 6, 1944--asked God to preserve "our religion," what religion do you think he had in mind?