The stable functioning of a society depends upon the relatively long-term stability of the goals of its citizens. This is clear from the fact that unless the majority of individuals have a predictable and enduring set of aspirations, it will be impossible for a legislature to craft laws that will augment the satisfaction of the citizenry, and it should be obvious that a society is stable only if its laws tend to increase the happiness of its citizens. The claim that a society is stable only if its laws tend to increase the happiness of its citizens plays which one of the following roles in the argument? ['It is used to illustrate the general principle that the argument presupposes.', 'It is a claim that must be refuted if the conclusion is to be established.', 'It is the conclusion of the argument.', 'It helps to support the conclusion of the argument.']