Related Clues:

• Stem
• Allies' foe in W.W. II
• Pivotal point
• Warsaw Pact land
• Boycotter of the '84 L.A. Olympics
• Khrushchev's concern
• CCCP on 20th-century maps
• The second cervical vertebra
• Coordinate system line
• Main line?
• SALT signer
• ''Back in the ---'' (Beatles)
• SALT signatory
• Space race participant
• Alliance