Related Clues:

• Alliance following a boundary reversion
• A high throw turned to what's turned on
• A 'Y' is one also
• Accent displaying perspicacity
• Alliance of states taking boundary area back
• A side's lost the war
• Serious but not grave
• A boundary knocked over, producing turning point
• A clipped English accent
• Pin of a revolver?
• Imaginary central line
• Sharp - sort of French accent
• Imaginary centre of rotation
• Spindle - German/Italian alliance - deer
• Supposed political alliance