Hell if you want to go on the authority of Tito, he was demanding Nagy and other revolutionaries be given safe passage to Yugoslavia and only gave in to the USSR after a series of phone calls directly with Khrushchev.

the reaction raised its head, especially in Croatia, where the reactionary elements openly incited the employees of the Yugoslav security organs to violence

also you left out that one of theor complaints was "a Disproportionate number of Jews in high places"