Related Clues:
- Cold war abbr.
- Atlas abbr. before 1991
- Old geog. initials
- Former world power, for short
- Old political alliance: Abbr.
- Ukr., e.g., once
- Warsaw Pact land
- Boycotter of the '84 L.A. Olympics
- Old Mideast union: Abbr.
- Outdated atlas abbr.
- Old Eg./Syr. union
- Khrushchev's concern
- CCCP on 20th-century maps
- SALT signer
- Pre-Yeltsin abbr.