The treaty was ratified 'through the agency of' a neutral country.
He found work as a mechanic through an 'employment agency'.
an athlete who has become eligible for 'free agency'
(..) The Massachusetts State Police has a long tradition of excellence. Your graduation today solidifies your acceptance... ...into one of the finest law enforcement agencies in our nation. As the governor of the Commonwealth of Massachusetts, I am confident... ...each and every one of you will serve (..)2006 The Departed