 Nyorai kuenderera mberi kweiyi ndima - Apo Mikhail Gorbachev akasvika musimba muna 1985, Biryukova akapinda muchikamu chepamusoro chezvematongerwo enyika cheSoviet nokuva Mutevedzeri Wachigaro weAll-Union Central Council of Trade Unions. Muna 1986, Gorbachev akasarudza Biryukova pa 27th Congress yeCommunist Partysenhungamiro yechaizova perestroika. Akava mukadzi wokutanga akasarudzwa kuSecretariat yeCPSU mumakore anopfuura makumi maviri, uye aive nebasa reindasitiri yakapfava uye kugadzirwa kwezvinhu zvevatengi. Akaitwawo mutevedzeri weUSSR Supreme Soviet uye RSFSR Supreme Soviet. 