a. Give the legal encyclopedia reference(s) that refers to aggravated or armed robbery.
b. Give the ALR cite (if any) that addresses the question of how the use of an unloaded gun affects criminal responsibility.

c. Give the name and citation of any case that answers the question of whether a toy or fake gun is a “dangerous weapon.”

Look to your state statute concerning aggravated or armed robbery and the annotations that follow the statute.