<prompt> The Brezhnev Doctrine yaiva mutemo weSoviet wekunze uyo waiti kutyisidzira kwehutongi hwechiSocialist mune imwe nyika yeSoviet bloc muCentral neEastern Europe kwaiva kutyisidzira kwavari vose, uye nokudaro kwakaruramisa kupindira kwevamwe nyika dzechiSocialist. Yakanga yaziviswa kuti iruramise kubatwa kweCzechoslovakia neSoviet  <response>: pakuvamba muna 1968, nokuparadzwa kwehurumende yechinjo ikoko. Kunongedzera kusocialism kwaireva kudzorwa namapato emakomonisiti akavimbika kuKremlin. Mutungamiri weSoviet Mikhail Gorbachev akaramba dzidziso iyi mukupera kwema1980, sezvo Kremlin yakagamuchira kukundwa murunyararo kwehutongi hwechiKomonisiti munyika dzayo dzose dzeEastern Europe. 