An agreement cannot be reached through litigation before the courts, for lack of elements of a contract. It has absolutely no legal force, although this is often the beginning of a contract negotiation. As a general rule, contracts are oral or written, but written contracts have generally been preferred in common legal systems;  In 1677, England passed the Fraud Act which influenced similar fraud laws in the United States and other countries such as Australia.  In general, the Uniform Commercial Code, as adopted in the United States, requires a written contract for physical sales of products over $500, and real estate contracts must be in writing. If the contract is not written by law, an oral contract is valid and therefore legally binding.  In the meantime, the UK has replaced the original Fraud Act, but written contracts are still needed for various circumstances like the country (by the Prosperity Law of 1925). According to the common law, the elements of a contract; Offer, acceptance, intention to create legal relationships, to take into account and legality of the form and content. At the beginning of this article, a question is asked, the answer to which is here, that is, only legally enforceable agreements are concluded, which means that they must have a counterpart, a legitimate object, release the parties from their consent, they are compatible with the treaty and the agreement is not annulled. If one of the aforementioned conditions is not met, the contract will no longer become a contract. Therefore, it can be said that not all agreements are contracts. In the event of a contractual dispute between parties in different jurisdictions, the law applicable to a contract depends on the conflict-of-law analysis by the Court before which the infringement action is brought. In the absence of a legal choice clause, the Court generally applies either the right of jurisdiction or that of a court having the strongest connection with the subject matter of the contract.
A legal choice clause allows the parties to agree in advance that their contract will be interpreted in accordance with the laws of a given jurisdiction.  Conditions may be implied due to actual circumstances or the conduct of the parties. In BP Refinery (Westernport) Pty Ltd v Shire of Hastings, the British Privilege Council proposed a five-step test on appeal from Australia to identify situations in which the facts of a case might involve conditions. . . .