Largest country until late '91

• Moscow's fed., once
• Cold War faction (Abbr.)
• Subj. of a 1991 breakup
• Vanished superpower
• It's now C.I.S
• The Olympics' 1980 host and 1984 boycotter
• Red state, once, for short
• Superpower that splintered into multiple nations in the 1990s: Abbr
• U.S.A. rival

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
also U.S.S.R. , initialism (acronym) of Union of Soviet Socialist Republics , by 1926.\n