A contract is a voluntary arrangement between two or more parties that is (1) at law as a (2) legal agreement. Contract is a branch of the law of obligations in jurisdictions of the civil law tradition. A contract arises when the parties agree that there is an agreement. Formation of a contract generally requires an (3) , (4) , (5) , and a mutual intent to be bound. Each party to a contract must have capacity to enter the agreement. Minors, intoxicated persons, and those under a mental affliction may have insufficient (6) to enter a contract. Some types of contracts may require formalities, such as a memorialization in writing. Vitiating factors constituting defences to purported contract formation, for instance, (7) means a false statement of fact made by one party to another party and has the effect of inducing that party into the contract. A (8) is an incorrect understanding by one or more parties to a contract and may be used as grounds to invalidate the agreement. (9) has been defined as a "threat of harm made to compel a person to do something against his or her will or judgment; esp., a wrongful threat made by one person to compel a manifestation of seeming assent by another person to a transaction without real volition.