Does it seem plausible that the true spark of the American Revolution was the religion of peace—Christianity? In fact, how could it be any other way in a country expressly founded to establish Christian religious liberty? Colonial America was one of the most intensely evangelized and churched societies in history. For example, according to Harry Stout in The New England Soul: Preaching and Religious Culture in Colonial New England, the typical colonists probably listened to 7,000 hours of sermons in their lifetime. For many colonists, their instruction in religion, science, history, politics and most other subjects were delivered only by...