<prompt> Pedzisa mutsara unotevera: Muna 1968, apo mushanduri Alexander Dubček akagadzwa kuva munyori mukuru weFirst Secretary weCzechoslovak Communist Party, pakava nenguva pfupi yokusunungurwa kwezvinhu yaizivikanwa sePrague Spring. Mukupindura, pashure pokukundikana kunyengetedza vatungamiriri veCzechoslovak kuchinja nzira, mamwe masangano mashanu eEurope akaedza kuita kuti vatungamiri veCzechoslovakia vaite chiito.  <response>: nhengo dzeWarsaw Pact dzakapinda. Matangi eSoviet akapinda muCzechoslovakia usiku hwaAugust 2021 1968. Munyori Mukuru weSoviet Communist Party Leonid Brezhnev akaona kupindira uku sechinhu chinokosha nokuda kwokuchengetwa kweSoviet, gadziriro yezvemagariro evanhu uye akapika kupindira muhurumende ipi neipi yaizotsvaka kutsiva chiMarxism-Leninism nehurumende yemari. 