Answer:
A universal agency.
Step-by-step explanation:
A universal agenct, in real estate, can be defined as a person who is given full authority of a principal. A universal agent replica the authorities of a principal, as much as that he/she can sign a legal document, make a deal of property, or even sell a property.
In simple terms, all the acts and authoritiies are vested to an universal agent of his/her principal. A universal agent is appointed by a power of attorney giving full control over the principal's property, belongings, and life to meet a specific need. It is also important to note that a principal can have only one universal agent.
Therefore, a universal agency is the correct answer.