sentences:  The column also undertook activities in Kilkenny and North Cork 
  
  During the early part of the truce period Hogan was based mainly in Dublin, although he travelled to the North of the country to assist with the training of Brigades there, including assisting at an IRA training camp at Sperrin, Co. Tyrone with Dan Breen.In December 1921, disheartened by the terms of the treaty, he traveled to the US with Dan Breen.In March 1922 republican leader Liam Lynch requested they return to Ireland as the tensions between those who supported and were against the treaty were rising.