<prompt> Bhala okuqhubekayo kwalesi sigaba - Ngo-1960 wazama ukuvuselela oxhumana nabo kanye nabaqambi bomculo wesimanje waseNtshonalanga, kodwa ngemuva kokuhlasela kweSoviet ngo-1968 eCzechoslovakia  <response>: wathuliswa. Kusukela ngaleso sikhathi, imisebenzi yakhe yayidlalwa phesheya kuphela. 