Elationship "which results from the manifestation of consent by one person to another that the other shall act in his behalf and subject to his control, and consent by the other so to act.

è In other words, one person (the agent) agrees to do something for another party (the principal), subject to the control of the other party, and the other party (the principal) also agrees to the agreement. 

It simultaneously means the principal is bound (normally) by what the agent does, since  the agent is acts as if the principal were there him/herself.

It is a fiduciary and consensual relationship between two “persons” where one person acts on behalf of the other person and where the agent can form legal relationships on behalf of the principal.

It may be a business or personal relationship.

It allows the principal the ability, if you will, to be more than one place at a time, thereby expanding their potential business opportunities.

a. he allowed the people he conquered to keep their customs and religions.

he captured babylon and freed the jewish people to return to judah.