Step 1: Understanding the Concept:
The question asks for the most accurate and comprehensive definition of a contract of agency. Agency is a legal relationship where one person (the agent) is authorized to act on behalf of another (the principal) to create a legal relationship with a third party.
Step 2: Detailed Explanation:
- (A) While an agent has a fiduciary duty towards the principal (a duty of trust and confidence), the relationship is not a legal "trust" in the strict sense of the Indian Trusts Act. So, this statement is imprecise.
- (C) An agent's representative capacity is indeed the essence of agency. However, this statement is very brief.
- (B) This statement provides the most complete and legally accurate definition. It correctly identifies the core function of an agent: to act as a representative of the principal in dealings with third parties. The outcome of this representation is the creation, modification, or termination of legal (specifically contractual) obligations between the principal and the third party. This captures the full legal effect of the agency relationship. It is more descriptive and accurate than (C).
Step 3: Final Answer:
The truest statement about contracts of agency is (B).