Answer:
The correct option is;
c. Contract law
Step-by-step explanation:
A contract law is the aspect of law that is concerned with the agreements between two or more persons or parties such that an exchange is expected to take place or beneficial obligations are made which are legally enforceable.
The elements of a contract making it enforceable is the existence of a contract offer and an acceptance of the offer; evidence of sufficient consideration of the contract terms; Availability to resources and capacity/competence to enforce the contract; and legality of the activities or items in the contract