The early uses of the term "Judeo-Christian ethic" referred to the Jewish roots and identity of the early Christian church, but it wasn't used to speak of a common set of morals until much later.
In 1952, President-elect Dwight Eisenhower, speaking to the Freedoms Foundation in New York, said, "Our sense of government has no sense unless it is founded in a deeply religious faith, and I don't care what it is.
Such claims are based on poor history and a failure to understand the complexity of National Socialism, which at its core was a new religious movement.
Once World War II began, Kolnai’s work was quietly forgotten because it clashed with the portrayal of Nazis in British and American propaganda as unthinking thugs.
With us of course it is the Judeo-Christian concept, but it must be a religion that all men are created equal." This began the modern use of the term in American political and social circles.
From Eisenhower's day to the present, the term has become particularly associated with political conservatives in America, though there are much broader applications.
But one must go back to the 1740s and the preaching of Jonathan Edwards and George Whitefield to understand the beginnings of a movement that shook both America and Great Britain.
" Answer: The term “Judeo-Christian” refers to something that has its source in the common foundations of Judaism and Christianity.