During these decades, the emergence of an ongoing process of white flight, the ability of middle-class white Americans to move out of majority Black areas, and the professionalization of community organizations into 501(c)3 nonprofits, among other issues, increasingly dissolved the tight ethnic and racial communities that had been so prevalent in urban areas during the first part of the century. As a result, community organizers began to move away from efforts to mobilize existing communities and towards efforts to "create" community, fostering relationships between community members. While community organizers like Alinsky had long worked with churches, these trends led to an increasing focus on congregational organizing during the 1980s, as organizing groups rooted themselves in one of the few remaining broad-based community institutions. This shift also led to an increased focus on relationships among religion, faith, and social struggle.