 Still, the 1974 Yugoslav Constitution gave increased autonomy to federal units, basically fulfilling a goal of the Croatian Spring, and providing a legal basis for independence of the federative constituents.Following the death of Yugoslav President Josip Broz Tito in 1980, the political situation in Yugoslavia deteriorated, with national tension fanned by the 1986 SANU Memorandum and the 1989 coups in Vojvodina, Kosovo and Montenegro.In January 1990, the Communist Party fragmented along national lines, with the Croatian faction demanding a looser federation.