army
arrest
barb
barbed
barbwire
bars
bleed
border
contain
cordon
danger
design
deterrent
element
farm
fence
forces
freedom
gate
guarded
illustration
iron
isolated
isolation
jail
keep
keepout
locked
metal
military
post
prevent
prison
rights
secure
security
sharp
silhouette
spike
steel
sting
thrash
torture
trespass
verteidigung
war
wire