Final answer:
Failure to perform a duty to fulfill a promise made is considered a breach of contract, which pertains to the duty of fidelity that dictates the need to keep promises. This can have significant legal and economic consequences. option a is answer
Step-by-step explanation:
Failure to perform a duty to fulfill a promise made is considered a. Breach of contract. A breach of contract occurs when a party fails to fulfill their part of an agreement. This term aligns with the ethical principles mentioned by Ross, including the duty of fidelity, which encompasses the obligation to keep promises and be truthful.
Not upholding this duty can lead to legal repercussions. For example, in a situation where a surgeon performs a service with the expectation of payment, failure to pay would be a breach of the contractual agreement. If a legal system were not in place to enforce contracts, it would create hesitation in forming agreements, potentially stalling economic growth. option a is answer