sentences:  At the time, only a handful of Episcopal dioceses had adopted the English-style cathedral system, mostly in the Midwest and the western frontier, where semi-itinerant bishops required more tangible ecclesiastical bases from which to administer sparse, but expansive, new dioceses and missionary territories.While the Episcopal Church was once a part of the Church of England, the American dioceses were slow to designate official cathedrals in keeping with the Protestant or Reformed character of its members.But as the Oxford Movement's "high church" or Roman Catholic-style liturgy began to take root in the United States, Episcopal cathedrals began to appear.