But today — when active Christian adherence has become stronger in Africa than in Europe, when the number of practicing Christians in China may be approaching the number in the United States, when live bodies in church are far more numerous in Kenya than in Canada, when more believers worship together in church Sunday by Sunday in Nagaland than in Norway, when India is now home to the world’s largest chapter of the Roman Catholic Jesuit order, and when Catholic mass is being said in more languages each Sunday in the United States than ever before in American history — with such realities defining the present situation, there is a pressing need for new historical perspectives that explore the new world situation