Kammala jumla mai zuwa: A cikin bazara na 1968, Klokocka ya zama mataimakin a cikin Majalisar Tsaro ta Czech, ƙananan majalisar Czech a cikin Czechoslovakia a lokacin tsananin lokacin gyaran Prague Spring. Ya kuma zama shugaban makarantar koyon shari'a a Brno, inda ya tsara sabbin dokokin zabe na Czechoslovakia. Duk da haka, a watan Agustan 1968, Soviet da sauran sojojin Warsaw Pact
mamaye Czechoslovakia da kuma murkushe sassaucin motsi. An cire Klokocka daga ofishin gwamnati da kuma matsayinsa na ilimi a jami'ar.