What was the phrase used to espouse a higher level of nationalism than the Irish's dominant 1870 political movement?
Sinn Féin (slogan): Sinn Féin ("ourselves" or "we ourselves") and Sinn Féin Amháin ("ourselves only / ourselves alone / solely us") are Irish-language phrases used as a political slogan by Irish nationalists in the late nineteenth and early twentieth century. Sinn Féin (slogan):  Its earliest use was to describe individual political radicals unconnected with any party and espousing a more "advanced nationalism" than the Irish Home Rule movement. Sinn Féin (slogan):  In the 1890s "Sinn Féin, Sinn Féin amháin" was the slogan of the Gaelic League, which advocated the revival of the Irish language. Irish Home Rule movement:  It was the dominant political movement of Irish nationalism from 1870 to the end of World War I.
Sinn Féin