What was the name of the loose network of liberal Protestant clergy and theologians in the late 19th and early 20th centuries who sought to apply Christian ethics to social problems like poverty and labour exploitation?

• A Christian socialism
• B Liberation theology
• C Progressive Christianity
• D Social Gospel movement ✓

Leaders like Walter Rauschenbusch and Washington Gladden argued that salvation was not just individual but social, inspiring settlement houses, labour reform, and the civil rights movement.