Final answer:
The person who can ratify a contract after it has been formed is typically the offeree. Ratification is the act of giving official approval to make the agreement legally binding. Only parties involved in the agreement have the authority to ratify.
Step-by-step explanation:
After the contract has been formed, the person who has the power to ratify a contract is typically B) the offeree. Ratification refers to the act of officially approving an agreement, making it valid and binding. If the contract involves a minor, generally they have a period after reaching the age of majority during which they can choose to ratify or disaffirm the contract. It's important to understand that ratification can only be performed by the parties who are involved in the agreement, which means that any third party or a minor before reaching the age of majority would not have the authority to ratify a contract.