| A | B |
| bilateral | mistake as to the possibility of performance |
| duress | overcoming a person's will through force |
| concealment | intentionally failing to reveal an important fact |
| false/fraudulent | the party bringing suit in a lawsuit for fraud must prove that the party making the representation knew it was this |
| fraud | a deliberate deception to secure an unfair or unlawful gain |
| genuine agreement | consists of a valid offer and a valid acceptance |
| rescind/avoid | remedy from fraud is to either sue for damages or this |
| unilateral | mistake on the part of one of the parties to a contract |
| void | if physical force is used to cause someone to enter a contract, the contract is this |
| voidable | agreements made under duress are either void or this |