The theory of liability established by the body of contract law

• A. Contractual liability
• B. Tort liability
• C. Negligence
• D. Strict liability

Answer: (A)

In contract law, liability arises from the breach of a promise made in an agreement. This is called contractual liability: you’re liable because you didn’t perform as promised, and the other party may claim damages or other remedies based on that agreement. Contrast this with tort liability, which comes from wrongful acts causing harm outside of a contract; negligence is a common tort that involves failing to exercise reasonable care, and strict liability imposes responsibility regardless of fault in certain activities. Since the question asks for the theory of liability established by contract law, the appropriate concept is contractual liability.