Answer:
Jack is NOT entitled to get the ring back and Jackie keep it.
Explanation:
A Contract existed between Jack and Jackie and the ring was given to Jackie after <u>the acceptance of a marriage proposal</u> because 'she accepted his proposal of marriage'. Therefore there is an oral enforceable contract in place.
Another thought or evidence in support of Jackie's position is the fact they had lived together for over a year, hence <u>it is more likely than not that a marriage intention must have been in place</u>.
Furthermore, Jack cannot be entitled to get back the ring because in the United States <u>statute of frauds also cover a prenuptial agreement</u>
<u>Therefore, for Jack to enforce any position or claim of the ring, there must be an agreement to prove that (something in writing), that Jackie had signed; stating that she would return the ring if he changed his mind.</u>
In the scenario, that condition is not present and Jackie would keep the ring.