When did the union of Soviet Socialist Republics ceased to exist as an entity? March 18, 2021 / By Preparation Point / FBR Inspector inland revenue past papers Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedInA) 1989 B) 1990 C) 1991 D) 1992 Share this:TwitterFacebookMoreTelegramWhatsAppLike this:Like Loading... Related Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedIn