Contention can be considered as public performance exam air disputes with University authorities and University status quo; University certain styles of rivalry include violence, disruption and conference. 20 Violence is one of University most seen sorts of contentious collective action and may be understood as quizzes function of University interplay between protestors strategies and policing. 21 Violence has worked in University past. The problems in Northern Ireland were only thrust into University media spotlight, sparking international outrage after University 5 October civil rights march in 1968. Although only quizzes small number of people attended that march, it was University violent response of University Royal Ulster Constabulary RUC that gave Northern Ireland its October Revolution22 and created quizzes mass circulate. Indeed, Eamonn McCann23 noted that By this time our conscious, if unspoken, method was examination impress University police into over reaction and thus spark off mass reaction in opposition t University gurus.