Whakaotihia te rerenga e whai ake nei: I aukatia a Krejča me tana mahi i muri i te
Ko te whakaekenga a te Soviet o Czechoslovakia i te tau 1968, i mutu ai te wa o te whakaoranga torangapu e mohiotia ana ko te Prague Spring. Kaore te kawanatanga hou o Czechoslovakian e tuku i a Krejča ki te mahi i te whenua; i whakaaetia ia ki te mahi ki tawahi anake. I haere tonu ia ki te whakahaere i nga mahinga whare tapere neke atu i te 40, tae atu ki Austria, Itari, Belgium, France, Germany, Finland me Sweden. I hoki a Krejča ki te mahi i tona whenua i muri i te hinganga o te kawanatanga Communist Czechoslovakian i te 1989. I whiwhi ia i nga tohu Czech me nga whenua ke mo ana mahi.