<prompt> Qedela umusho olandelayo: Ngokuhlanza abaphathi bakhe eStB ngesikhathi kulandela  <response>: Ngo-1968 i-Soviet Union yahola ukuhlasela kweCzechoslovakia, wazithola engasathintani nenkonzo futhi esikhundleni salokho waya ku-FBI ngomzamo wokweqa futhi asebenzise ulwazi lwakhe ngokumelene namaSoviet kodwa babengenasithakazelo. 