Definition. Stacking strength of a fiberboard container measured as the maximum load that can be applied to it under specified conditions before it is crushed, and expressed in newtons or pounds per square inch.
As for whether death penalty is justifiable in the rarest of rare cases, there will always be proponents of it who believe that some people truly deserve to die, while others believe that nothing gives us the right to take another person's life.
Oddly, death penalty opponents believe that the burden of proof is on those who say the death penalty is a deterrent. Clearly it is not. The weight of the evidence, within reason, history, common sense and the social sciences is that the potential for negative consequences restricts the behavior of some.