 His exploration of the plight of Protestants in the Free State illuminates the sectarian underbelly of the revolution that a nationalist historiography prefers to ignore.In escalating violence in Cork, Tipperary, or Dublin could Michael Collins, Harry Boland, or Ernie O'Malley be held accountable for raising sectarian tensions in Antrim, Down or Belfast?Was the cost of a southern state the institutionalisation of ethno-religious tensions in a compressed and reactionary northern state?