<prompt> Pedzisa mutsara unotevera: Mumakore okuma1960, Jan Křen akava mumwe wevanyori venhau dzakaitika muCzechoslovakia vokutanga kunyora nokutsvakurudza kudzingwa kwevaGermany veSudeten munyika pakapera Hondo Yenyika II. Křen pakutanga aiva nhengo yeCommunist Party yeCzechoslovakia kubva muna 1949 kusvika muna 1969, asi akadzingwa muna 1970 pamusana pokushora kwake  <response>: Kupinda kweWarsaw Pact. Akadzingwawo pabasa rake somupurofesa uye akamanikidzwa kushanda somushandi. 