Oh sorry, you are Canadian. I still think you're overreacting. And as to the honor killing, was it not prosecuted? I doubt if arguments about preserving honor will get much sympathy in a Canadian courtroom.
A contract to perform an illegal act (e.g. murder) is void and unenforceable; entering into such a contract may itself be a violation of criminal law.
Presently in the U.S., most agreements have some sort of arbitration or mediation clause - essentially, by signing the contract people have agreed to not use the civil courts, but to be bound by these arbitrators or mediatiors. Arbitration and mediation are not governed by any representative of the people - they're not "law" at all.