Related Clues:

• Bygone pol. unit
• Old union member: Abbr.
• Cold War letters
• Bygone map inits.
• Old communist state (Abbr.)
• Georgia, once
• Belorussia was one
• Soviet inits.
• Ukraine, once (Abbr.)
• Latv. or Lith., once
• Former map inits.
• Erstwhile bloc letters
• Old union mem.
• Estonia, once: Abbr.
• Old map letters