Related Clues:

• Not a piece of it, by the sound of it
• Fighting not ever to get tight in a bundle
• Not a sound piece
• Fighting to have it not cooked up here
• Is it for this one may join forces?
• 29 across does not want one teetotaller in the bundle
• Rations for soldiers on active service
• 1812 event
• Difficult conflict or struggle
• Card game with a belligerent name
• It's good for absolutely nothing [hunh]
• 1970 hit that asks about its title, "What is it good for?"
• "All's fair" in it
• Doves' aversion
• It may precede a treaty