Original sentence: However the outbreak of the Easter Rising in 1916 and the unexpected electoral success of Sinn Féin in the 1918 general election made any enactment of the Act redundant.It was never implemented but was eventually replaced by the Government of Ireland Act 1920, which was to give Home Rule to six counties in the northeast (Northern Ireland) and to twenty-six counties in the north-west and south (the so-called "Southern Ireland").The Government of Ireland Act 1914, more generally known as the Third Home Rule Act, was an Act of Parliament passed by the British House of Commons in May 1914 which sought to give Ireland national self-government within the United Kingdom of Great Britain and Ireland.Though it received the Royal Assent in September 1914 its implementation was postponed until after the First World War (at that stage expected to last only a matter of months)
Edited sentence: In 1914 the long-running Irish nationalist demand for home rule had finally been conceded by the United Kingdom of Great Britain and Ireland government, subject to two provisos: that it would not come into being until the end of the First World War, and that six north-eastern counties of Ireland were to be temporarily excluded from the control of a home rule parliament in Dublin.The latter demand had resulted from a campaign of civil disobedience by northern unionists (culminating in the formation of the Ulster Volunteer Force), producing a fear in Britain that the concession of home rule would lead to a civil war between nationalists and unionists and the forces of the crown