At the time of the Croatian Spring, civic relations between Croats and Serbs in Croatia were increasingly framed by diverging narratives of World War I and especially World War II. While Croats focused on the role of the Royal Serbian Army in establishment of the Serb-dominated Kingdom of Yugoslavia, and killings of collaborationist Ustaše troops and sympathisers in the aftermath of the 1945 Bleiburg repatriations, the Serbs negatively evaluated Croatian participation in the Austro-Hungarian Serbian campaign, and especially the genocidal campaign by the Ustaše in the Independent State of Croatia, an Axis puppet state. In a series of articles in "Hrvatski tjednik", Tuđman expressed the views of the majority of the SKH as well as Matica hrvatska: that Croats had made a significant contribution to the Partisan struggle and were not collectively to blame for Ustaše crimes.