sentences:  This established a more distinctive republican style of governance with
  a Central Council or Senate and a Chief of the Senate, as well as a
  Presidential role with limited powers; O'Mahony was made President.Subsequently, this created a divided camp, as the Senate had powers to out-vote O'Mahony on future decisions.In the United States, O'Mahony's presidency over the Fenian Brotherhood was being increasingly challenged by William R. Roberts.