Possible Clues:

• Dispute among fishermen about line becoming major stand-off
• Common complaint, sore back, creating period of tension
• Ideological conflict
• The West was part of it
• Bygone CIA concern
• Chilly hostility coming from aged wife in vehicle
• Period of East-West political hostility
• Conflict at the North Pole?
• US-USSR tension
• Term used to describe tension between U.S. and Russia