Working from the other end, if one considers Karl Marx to be the foundation of modern socialism, his observation that "Religion is the Opiate of the Masses" might turn some people who disagree to the opposite economic camp.

                  But I think Amos is right. When the folks running Ronald Reagan needed to put together a coalition to challange the Democrats, they grabbed onto the ultra-religious, and it made for a winning team, at least for the moment.