<prompt> Pedzisa mutsara unotevera: Soviet Union yaidavira kuti muitiro wokusunungura waizogumisa hurumende yehurumende munyika uye musi wa 21 August 1968,  <response>: Mauto eWarsaw Pact akapinda. Gare gare, kururamisa kweSoviet nokuda kwokupinda kwacho kwaizozivikanwa seBrezhnev Doctrine. 