Whakaotihia te rerenga e whai ake nei: Ko te Akoranga Brezhnev he kaupapa here a iwi ke a Soviet e kii ana ko te whakawehi ki te kawanatanga ohaoha i roto i tetahi kawanatanga o te Soviet bloc i Central me Eastern Europe he whakawehi ki a raatau katoa, na reira i tika ai te uru atu o nga kawanatanga ohaoha. I whakapuakina hei whakatika i te Soviet-i arahina
te noho a Czechoslovakia i te tīmatanga o te tau 1968, me te whakahekenga o te kāwanatanga whakarerekē i reira. Ko te tohutoro ki te "socialism" te tikanga o te mana o nga rōpū Communist pono ki te Kremlin. I whakakahoretia e te kaiarahi Soviet a Mikhail Gorbachev te kaupapa i te mutunga o nga tau 1980, i te mea i whakaae a Kremlin ki te hurihanga o te mana hapori i roto i ona whenua amiorangi katoa i Uropi ki te Rawhiti.