Related Clues:

• A sign about 1,000 military forces
• One not with you
• Yemeni almost thrashed foe
• 'Them,' to 'us'
• Alexander Hamilton and Aaron Burr, e.g
• Gophers and gardeners, say
• They're not on the same page
• The Sith, to the Jedi
• More than one opponent is undermining social worker
• Spain, to the U.S. in 1898
• The two sides in chess, essentially
• Voices against
• Those we fight see mine detonated
• Some Nazarene — mysterious adversary
• Foe in battle