Respuesta :
Almost positive the answer would be concept that people may decide what agreements they want to enter into
Free contract is the concept that people may decide what agreements they want to enter into. A person has the right to determine whether or not they want to have an agreement with another person or company. There is no rule that states "X" must agree with "Y" or else. It's simply whether or not that individual wants to agree on those terms or what they would like to change before they enter into an agreement or contract.