The Iraqi civilian casualties since the war in iraq claim to have been over 12k people in a link i read.Google it to find more.
What would you do if your father and mother was killed in the street by american soldiers?
What if a "smart bomb" had killed your wife or your 2 kids?
I would probably,having nothing left in life,wear that 30 kg's of explosives and come and blow your ass up.
Terrorism is in the eye of the beholder.
I believe is justified.Under certain circumstances.
You don't know the limits of the human species.