There are two types of impossibility of delivery that is the duty of the benefit under a contract. The subjective impossibility is due to the inability of the individual Promisor seder, z.B. by illness or death. Objective impossibility means that no one can perform. The destruction of the object of the contract, the frustration of its purpose or the possibility of submersion after the conclusion of the contract are all objective impossibilities. “Unfeasibility” due to extreme and inappropriate hardship, costs, injuries or losses is considered part of the impossibility. In colonial times, the concept of consideration was exported to many common law countries, [who?], but it is unknown in Scotland and in civil courts.  Systems based on Roman law do not ask for consideration and do not recognize them, and some commentators have suggested abandoning reflection and replacing it as the basis for contracts.  However, legislation, not judicial development, was seen as the only way to eliminate this entrenched doctrine. Lord Justice Denning said, “The doctrine of consideration is too strong to be toppled by a side wind.”  In the United States, the focus has been on the negotiation process, as illustrated by Hamer v. Sidway (1891). There are many cases where you need a business contract.
Whenever goods are purchased or sold, or you agree to provide services or products or purchase services or products, you need a contract. Every time you promise to do something in the economy, a contract is a good idea. Satisfactory performance A contract may depend on the satisfaction of a person`s opinion, taste or imagination. Most courts apply a good faith test to determine whether the denial of a benefit was appropriate. If a refusal is made in bad faith, the court will enforce the contract. A concept of English common law, which is necessary for simple contracts, but not for special contracts (contracts per die). The court of Currie v Misa  declared the idea of “right, interest, profits, benefits or leniency, damage, loss, liability”. That is why reflection is a promise of something precious given by a pare-all in exchange for something precious that is made by a promise; and in general, the thing of value is goods, money or stock.