When Pope Francis spoke of “a very strong, organized, reactionary attitude” that opposes him within the Roman Catholic Church in the United States and, in comments that became public this week, warned against letting “ideologies replace faith,” some American Catholics recognized their church immediately. But they are especially prominent and influential in the United States, where Francis faces a church hierarchy that is uniquely hostile to his papacy, led by several outspoken bishops and fueled by a well-funded ecosystem of right-wing Catholic websites, radio shows, podcasts and conferences that have shaped the landscape of American Catholicism and politics more broadly. ”An earlier version of this article misspelled the last name of a historian at the University of Notre Dame