Final answer:
Implied authority is the best description of the type of agency that is created by the actions and conduct of the parties involved.
Step-by-step explanation:
The best description of the type of agency that is created by the actions and conduct of the parties involved is implied authority. Implied authority is not explicitly stated, but it is inferred based on the circumstances. It arises when the principal gives the agent the impression that they have the authority to act on their behalf. This can be seen in situations where an employee is given the authority to make decisions on behalf of their employer, even if it is not explicitly stated.