This was particularly necessary as British parliamentary politics in the early 1910s was balanced on a knife-edge, with the Ulster Unionists and the Irish Parliamentary Party often holding the balance of power between the Liberals and the Conservatives.

这一点尤其必要， 因为 1910 年代初期的英国议会政治处于刀锋上，阿尔斯特统一党和爱尔兰议会党经常在自由党和保守党之间保持权力平衡。