Coercion defined as threats or unlawful detention inducing agreement, making such contracts voidable under contract law. Coercion consists of committing or threatening acts forbidden by penal law, or unlawfully detaining or threatening to detain property, with the intention of causing a person to enter into an agreement. The territorial or temporal operation of the penal provision is immaterial; conduct amounting to a penal offence in one jurisdiction qualifies as coercion even if that penal provision was not in force where or when the act occurred. Agreements induced by such coercion are voidable.