By 1969 the IRA was guided by left-wing theory and essentially led from the south of Ireland. It was so strongly wedded to the theory of forging working-class unity between Protestants and Catholics that even the August 1969 spasm of sectarian violence was not enough to shift its leadership from this quixotic notion. It was against this background that the fateful split occurred, late in 1969, which brought into being the Official

