antagonism
background
barbed
border
boundary
close
concept
conflict
cry
defense
depression
detention
emotions
fence
finger
fingers
fist
forbidden
free
freedom
guard
hand
immigration
injustice
iron
man
metal
military
old
opposition
pain
pressure
prison
prisoner
prohibit
protection
punishment
rebellion
rust
rusty
scream
security
sharp
steel
symbol
wall
war
white
wire
yell