Center-Center Union Party or UCCP [Francisco Javier ERRAZURIZ]; Christian Democratic Party or PDC [Ricardo HORMAZABAL]; Coalition of Parties for Democracy ("Concertacion") or CPD - including PDC, PS, PPD, PRSD; Independent Democratic Union or UDI [Pablo LONGUEIRA]; National Renewal or RN [Alberto CARDEMIL]; Party for Democracy or PPD [Guido GIRARDI]; Radical Social Democratic Party or PRSD [Anselmo SULE]; Socialist Party or PS [Ricardo NUNEZ] Political pressure groups and leaders: revitalized university student federations at all major universities; Roman Catholic Church; United Labor Central or CUT includes trade unionists from the nation's five largest labor confederations