| A breakthrough work of sociology of religion by H. Richard Niebuhr.1
He shocked a lot of clergy and laity by suggesting that the range of Protestant denominations in the U.S.2 had more to do with social and economic stratification than divine inspiration.
- A brother of the more widely-known theologian.
- When he published the book, it was not yet considered politically incorrect to refer to the U.S. as "America."
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