Question

The use of legitimate force?

Answer 1

try this not sure how helpful it will be but i guess it's worth a shot...

http://www.ehow.com/about_5347242_legitimate-use-force.html

Answer 2

Legitimate use of force can refer to:
the right of a state to exercise legitimate authority or violence over a given territory. See monopoly on the legitimate use of physical force.
the right of civilians acting on their own behalf to engage in violence for the sake of self-defense