Long conflict and how it ends: Protestants and Catholics in Europe and Ireland

Ireland's Catholic-Protestant conflict rests on multiple, overlapping differences: religious, ethnic, colonial, political. To better understand it, and in particular its religious aspect, I trace Europe's long conflict, how it began, reproduced itself over time, finally came to an end the twentieth century. then use this generate insights into developed, why ended Republic, has continued Northern Ireland, latter might end.