Outlined in this essay is a brief description of how the biblical concept of covenant became the foundation for America's Constitution. While this history is now an almost unknown, sub rosa embarrassment to modern eyes, yet the development of American political theory was once highly regarded by most of the world. Seminal colonial American historian Donald Lutz, in his Origin of American Constitutionalism, explains the importance of the Bible's covenant concept to our Pilgrim and Puritan forbears.