I had always known that the "Under God" and "In God We Trust" additions were products of the anti-Communist 1950s, but I never knew how deeply this Eisenhower-era religious revival was manipulated by corporations and big businessmen for their own purposes just like the current perversions of religion by right wingers:
If you can't see the embedded player above, you can listen or read the transcript to Terry Gross's Fresh Air story about Kevin Kruse's One Nation Under God: How Corporate America Invented Christian America by clicking here.