Social Gospel in the context of "Christian pacifism"

Christian ethics, also known as moral theology, is a multi-faceted ethical system. It is a virtue ethic, which focuses on building moral character, and a deontological ethic which emphasizes duty according to the Christian perspective. It also incorporates natural law ethics, which is built on the belief that it is the very nature of humans – created in the image of God and capable of morality, cooperation, rationality, discernment and so on – that informs how life should be lived, and that awareness of sin does not require special revelation. Other aspects of Christian ethics, represented by movements such as the social Gospel and liberation theology, may be combined into a fourth area sometimes called prophetic ethics.

Christian ethics derives its metaphysical core from the Bible, seeing God as the ultimate source of all power. Evidential, Reformed and volitional epistemology are the three most common forms of Christian epistemology. The variety of ethical perspectives in the Bible has led to repeated disagreement over defining the basic Christian ethical principles, with at least seven major principles undergoing perennial debate and reinterpretation. Christian ethicists use reason, philosophy, natural law, the social sciences, and the Bible to formulate modern interpretations of those principles; Christian ethics applies to all areas of personal and societal ethics.

Liberal Christianity, also known as liberal theology and historically as Christian modernism (see Catholic modernism and fundamentalist–modernist controversy), is a movement that interprets Christian teaching by prioritizing modern knowledge, science and ethics. It emphasizes the importance of reason and experience over doctrinal authority. Liberal Christians view their theology as an alternative to both atheistic rationalism and theologies based on traditional interpretations of external authority, such as the Bible or sacred tradition.

Liberal theology grew out of the Enlightenment's rationalism and the Romanticism of the 18th and 19th centuries. By the late 19th and early 20th centuries, it was characterized by an acceptance of Darwinian evolution, use of modern biblical criticism, and participation in the Social Gospel movement. This was also the period when liberal theology was most dominant within the Protestant churches. Liberal theology's influence declined with the rise of neo-orthodoxy in the 1930s and with liberation theology in the 1960s. Catholic forms of liberal theology emerged in the late 19th century. By the 21st century, liberal Christianity had become an ecumenical tradition, including both Protestants and Catholics.

Religion in North America began with the religions and spiritual practices of Native Americans. Later, religion also played a role in the founding of some colonies, as many colonists, such as the Puritans, came to escape religious persecution. Historians debate how much influence religion, specifically Christianity and more specifically Protestantism, had on the American Revolution. Many of the Founding Fathers were active in a local Protestant church; some of them had deist sentiments, such as Thomas Jefferson, Benjamin Franklin, and George Washington. Some researchers and authors have referred to the United States as a "Protestant nation" or "founded on Protestant principles," specifically emphasizing its Calvinist heritage. Others stress the secular character of the American Revolution and note the secular character of the nation's founding documents.

Protestantism in the United States, as the largest and dominant form of religion in the country, has been profoundly influential to the history and culture of the United States. African Americans were very active in forming their own Protestant churches, most of them Baptist or Methodist, and giving their ministers both moral and political leadership roles. The group often known as "White Anglo-Saxon Protestants" have dominated American society, culture, and politics for most of the history of the United States, while the so-called "Protestant work ethic" has long held influence over American society, politics, and work culture. In the late 19th and early 20th century, most major American Protestant denominations started overseas missionary activity. The "Mainline Protestant" denominations promoted the "Social Gospel" in the early 20th century, calling on Americans to reform their society; the demand for prohibition of liquor was especially strong. After 1970, the mainline Protestant denominations (such as Methodists, Presbyterians and Episcopalians) lost membership and influence. The more conservative Protestant evangelical, fundamentalist, and charismatic denominations (such as the Southern Baptists) grew rapidly until the 1990s and helped form the Religious Right in politics.

Karl Paul Reinhold Niebuhr (June 21, 1892 – June 1, 1971) was an American Reformed theologian, ethicist, commentator on politics and public affairs, and professor at Union Theological Seminary for more than 30 years. Niebuhr was one of America's leading public intellectuals for several decades of the 20th century and received the Presidential Medal of Freedom in 1964. A public theologian, he wrote and spoke frequently about the intersection of religion, politics, and public policy, with his most influential books including Moral Man and Immoral Society and The Nature and Destiny of Man.

Starting as a minister with working-class sympathies in the 1920s and sharing with many other ministers a commitment to pacifism and socialism, his thinking evolved during the 1930s to neo-orthodox realist theology as he developed the philosophical perspective known as Christian realism. He attacked utopianism as ineffectual for dealing with reality. Niebuhr's realism deepened after 1945 and led him to support American efforts to confront Soviet communism around the world. A powerful speaker, he was one of the most influential thinkers of the 1940s and 1950s in public affairs. Niebuhr battled with religious liberals over what he called their naïve views of the contradictions of human nature and the optimism of the Social Gospel, and battled with religious conservatives over what he viewed as their naïve view of scripture and their narrow definition of "true religion". During this time he was viewed by many as the intellectual rival of John Dewey.

Washington Gladden (February 11, 1836 – July 2, 1918) was a leading American Congregational pastor and early leader in the Social Gospel movement. He was a leading member of the Progressive Movement, serving for two years as a member of the Columbus, Ohio city council and campaigning against Boss Tweed as religious editor of the New York Independent. Gladden was probably the first leading U.S. religious figure to support unionization of the workforce; he also opposed racial segregation. He was a prolific writer who wrote hundreds of poems, hymns, articles, editorials, and books.

Walter Rauschenbusch (1861–1918) was an American theologian and Baptist pastor who taught at the Rochester Theological Seminary. Rauschenbusch was a key figure in the Social Gospel and single tax movements that flourished in the United States during the late 19th and early 20th centuries. He was also the maternal grandfather of the influential philosopher Richard Rorty and the great-grandfather of Paul Raushenbush.

Carl Gustav Adolf von Harnack (born Harnack; 7 May 1851 – 10 June 1930) was a Baltic German Lutheran theologian and prominent Church historian. He produced many religious publications from 1873 to 1912 (in which he is sometimes credited as Adolf Harnack). He was ennobled (with the addition of von to his name) in 1914.

Harnack traced the influence of Hellenistic philosophy on early Christian writings and called on Christians to question the authenticity of doctrines that arose in the early Christian church. He rejected the historicity of the Gospel of John in favor of the Synoptic Gospels, criticized the Apostles' Creed, and promoted the Social Gospel.