Possible Clues:

• It comes under a general vote in the Commons
• Discord, split
• I'd turn to be able to 14 down in the army
• The inverse of multiplication
• Army unit
• Commons vote leads to disagreement
• See 56-Across
• Section of organisation
• Bit of the 16 down, and that's the long and the short of it
• A bit of the army, and that's the long and the short of it