Progressive Christianity is a trend primarily among North American and other English-speaking Protestant Christians in the late 20th and early 21st centuries characterized by theological diversity, eclectic spirituality, and a strong concern for social justice and related political issues. Related both to the social gospel tradition and the emergence of left-leaning evangelicals in the 1970s, progressive Christians are unique in their openness toward critical Bible scholarship and their embrace of mystery, paradox, and more holistic approaches to spirituality.