 In the aftermath King Alexander discarded the St. Vitus Day Constitution, proclaimed a royal dictatorship, and officially renamed the country Kingdom of Yugoslavia.King Alexander pursued a policy of encouraging modern Yugoslav nationalism which caused dissatisfaction amongst Serbian nationalists who saw Yugoslav nationalism as a disavowal of Serbian nationalism.Serbian nationalists were outraged at the Cvetković–Maček Agreement between Serb and Croat political leaders that created the Banovina of Croatia, an autonomous province within the kingdom which gave Croatia virtual autonomy.