I believe that English involvement in Ireland goes back to Henry II Richard. And last time I looked we were still there and will remain as long as it is the will of the people of Northern Ireland. Now that was an issue that the "guerillas" you mentioned were trying to force on the population at large but they failed, some lost souls still dream of "bombing" Ireland back together, they too will fail. It would be hard to find any "terrorist" group that was so riddled with informers than the Republican Groups in Ireland. And all for what? The SF MLA's have voted for a representative police force that reflects and is representative of the population that it serves. So after 30 odd years of murder and strife they have won a police force that is predominantly protestant - marvellous, absolutely bloody marvellous.