It separates countries
Else clues• Abut
• Buyer's opening bid for marginally ornamental design (6)
• Cormac McCarthy's ___ trilogy
• Country's boundary
• Edge
• Fugitive's goal
• Guard's locale
• Land's end
• Outer boundary
• Place for a guard
• Place for a patrol
• Touch
• Touch on
• A strip forming the outer edge of something
• A line that indicates a boundary
• The boundary line or the area immediately inside the boundary
• The boundary of a surface
• A decorative recessed or relieved surface on an edge