 Complete the following phrase:  The massacre terrified Protestant settlers and was used to support the view that the rebellion was a Catholic conspiracy to massacre all Protestants in Ireland, though in truth such massacres were mostly confined to Ulster. In 1642, a commission of inquiry was held into the killings of settlers. Protestant bishop Henry Jones led the inquiry and read out some of the evidence to the English parliament in March 1642, although most of his speech was based on hearsay. The atrocity featured prominently in English Parliamentarian atrocity propaganda in the 1640s, most famously in John Temples The Irish Rebellion 1646. Temple used the massacres at Portadown and elsewhere to lobby for the military re-conquest of Ireland and the segregation of Irish Catholics from British Protestants. Accounts of the massacre strengthened the resolve of many Parliamentarians to re-conquer Ireland, which they did 