The Michael Shermer Show
The Michael Shermer Show

How Christianity Made America—and How America Remade Christianity

Why does religion still dominate American politics when so many other wealthy democracies secularized long ago? In this episode, Michael Shermer talks with historian Matthew Avery Sutton about the long relationship between Christianity and American power. From the Puritans to Lincoln, from the Scope

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Episode Summary

Executive Summary: The episode explores how U.S. Christianity shaped politics, law, and identity from the colonies to today. Historian Matthew Avery Sutton argues America was not founded as a simple “Christian nation,” but a highly competitive religious marketplace created by disestablishment, which made faith more central and politicized than in peer nations. The conversation traces how Christianity has justified power and liberation alike, and why those tensions still drive culture wars.

Main Topics: America’s distinctive religious-political development (Priority: 5/5): Sutton argues the U.S. became unusually religiously political compared with Canada and Western Europe because disestablishment forced churches to compete for adherents and influence rather than rely on state support. Founding, First Amendment, and church-state separation (Priority: 5/5): The founders sought pragmatic peace among diverse colonies, not an idealistic secular vision. The First Amendment barred national establishment, but states kept established churches for decades; Jefferson’s ‘wall’ later became the dominant interpretation. Christianity, race, slavery, and liberation (Priority: 5/5): The episode details how Christians justified Native American paternalism and slavery, while also showing how enslaved, Indigenous, and Black believers used Christianity as a tool of liberation and resistance. Fundamentalism, evangelicalism, and mass media (Priority: 4/5): Fundamentalism arose from late-19th/early-20th-century anxieties about modernity, evolution, and war; ‘evangelical’ later became a political and media-savvy rebrand tied to radio, chaplaincies, and coalition building. Religion, gender, sexuality, and social control (Priority: 4/5): Christian reformers shaped anti-alcohol, anti-masturbation, anti-abortion, anti-divorce, and anti-sexual permissiveness campaigns, while later feminist and LGBTQ reforms forced religious adaptation and backlash. Cold War Christianity and the civil religion of America (Priority: 4/5): Anti-communism helped fuse religion with national identity through ‘under God’ in the Pledge, ‘In God We Trust,’ prayer controversies, and public-school religion debates. Capitalism, prosperity gospel, and religious funding (Priority: 3/5): Religious institutions on both the right and left depend on money, making them reluctant to challenge capitalism. In the late 20th century, prosperity theology turned wealth into a sign of divine favor.

Key Arguments: The U.S. is unusual not because it is simply a Christian nation, but because disestablishment created a competitive religious market that made religion more pervasive in public life. The First Amendment was a pragmatic compromise to keep peace among colonies and avoid European-style religious wars, not a purely philosophical commitment to secularism. Church-state separation has historically strengthened religion by forcing it to appeal to believers rather than depend on government patronage. White Protestant elites historically controlled public power, while Catholics, Jews, Native Americans, Black Christians, women, and later LGBTQ believers had to fight for legitimacy and rights. Christianity in America repeatedly served both oppression and resistance: it defended slavery and hierarchy, but also fueled abolition, labor, civil rights, feminist, and queer liberation movements. Fundamentalism and modern evangelicalism emerged from modernity’s disruptions, not from timeless tradition; they are political and media-adaptive movements. Many contemporary moral/political issues in America are argued through Christianity because Protestant language has functioned as the nation’s common public idiom. The rise of prosperity theology and religious lobbying reflects the financial realities of American religion: churches must raise money in a market system, which pushes moderation toward donors and business-friendly politics.

Data Points: Current share of Americans identifying as Christian: about two-thirds (less than two-thirds) - Sutton notes this is a low point in much of U.S. history and signals long-term secularization trends. Year the phrase ‘under God’ was added to the Pledge of Allegiance: 1954 - Linked to Cold War anti-communism and the push to distinguish the U.S. from the Soviet Union. Year ‘In God We Trust’ was added to money: 1950s (after 1954 Pledge change) - Presented as part of the broader Cold War religious-national identity project. Year Jefferson’s separation letter was written: 1802 - Jefferson wrote it to Baptists; it later became central to church-state jurisprudence after 1947. Year the Supreme Court revived Jefferson’s wall-of-separation idea: 1947 - The Court used Jefferson’s letter to interpret the First Amendment in a major religious-freedom case. Year ‘fundamentalist’ as a movement label was coined: 1919 - Used by Protestants reacting to modernism, evolution, and World War I. Year the National Association of Evangelicals was founded: 1942 - Formed as a political lobby over chaplaincies and radio airtime. Year the Scopes trial took place: 1925 - Anti-evolution trial that associated fundamentalism with anti-intellectualism and helped prompt rebranding. Year Vatican II shifted Catholic doctrine on church-state issues: 1960s (referenced as a key turning point) - The Catholic Church moved away from opposing separation of church and state, easing Protestant anxieties. Year Barack Obama publicly supported gay marriage: 2012 - He tied the position to Bible-based love-of-neighbor reasoning in the transcript discussion.

Pivotal Quotes: "I don't know which side of the Civil War God's on. I want to make sure I am on God's side." — Michael Shermer quoting Abraham Lincoln: Used to illustrate Lincoln’s religious humility and the book’s theme of a more modest American chosenness. "What I was trying to understand in the book is why so many people have thought this was a Christian nation." — Matthew Avery Sutton: Defines the book’s central historical question and avoids a simple yes/no answer. "The founders really didn't know what to do." — Matthew Avery Sutton: Explains the pragmatic, not purely ideological, origins of the First Amendment and disestablishment.

Implications: Listeners should see U.S. religion as politically constructed, historically adaptive, and still contested. The episode suggests future debates over schools, abortion, gender, immigration, and democracy will keep using Christianity as a legitimizing language, even as overall religiosity declines.

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