| A | B |
| unqualified willingness to along with offer. | Acceptance |
| people who are living in this country but owe allegiance to another. | Aliens |
| something a party was not previously entitled to. | Benefit |
| mistake by two parties. | Bilateral Mistake |
| legal ability to enter into a contract. | Capacity |
| legal ability to enter into a contract. | Capacity |
| exchange of things of value. | Consideration |
| changing terms of initial offer. | Counteroffer |
| any loss suffered. | Detriment |
| overcoming a person’s will by force. | Duress |
| threats to a person’s business. | Economic Duress |
| not doing something that you have a legal right to do. | Forbearance |
| deliberate deception to secure an unfair gain. | Fraud |
| valid offer met by valid acceptance. | Genuine Agreement |
| free agreements. | Gratuitous |